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copyright lastupdated keywords subcollection
years
2014, 2024
2024-01-05
kubernetes, versions, update, upgrade, BOM, bill of materials, versions, patch
containers

{{site.data.keyword.attribute-definition-list}}

Version 1.18 change log

{: #118_changelog}

Version 1.18 is unsupported. You can review the following archive of 1.18 change logs. {: shortdesc}

Change log for worker node fix pack 1.18.20_1566, released 27 September 2021

{: #11820_1566}

The following table shows the changes that are in the worker node fix pack patch update 1.18.20_1566. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Disk identification N/A N/A Enhanced the disk identification logic to handle the case of 2+ partitions.
HA proxy 9c98dc5 07f1e9 Updated image with fixes for CVE-2021-22922{: external}, CVE-2021-22923{: external}, CVE-2021-22924{: external}, CVE-2021-36222{: external}, and CVE-2021-37750{: external}.
Ubuntu 18.04 packages 4.15.0-156 4.15.0-158 Updated worker node images and kernel with package updates CVE-2021-22946{: external}, CVE-2021-22947{: external}, CVE-2021-33560{: external}, CVE-2021-3709{: external}, CVE-2021-3710{: external}, CVE-2021-40330{: external}, CVE-2021-40528{: external}, and CVE-2021-41072{: external}.
{: caption="Changes since version 1.18.20_1564" caption-side="bottom"}

Change log for master fix pack 1.18.20_1565, released 28 September 2021

{: #11820_1565}

The following table shows the changes that are in the master fix pack patch update 1.18.20_1565. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Gateway-enabled cluster controller 1444 1510 Updated image for CVE-2021-3711{: external} and CVE-2021-3712{: external}.
GPU device plug-in and installer a9461a8 eb817b2 Updated to use Go version 1.16.7.
{{site.data.keyword.cloud_notm}} RBAC Operator 945df65 e3cb629 Updated to use Go version 1.16.7.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 398 400 Updated to use Go version 1.16.7. Updated universal base image (UBI) to the latest 8.4-208 version to resolve CVEs.
Kubernetes API server auditing configuration N/A N/A Updated to support verbose Kubernetes API server auditing.
Kubernetes NodeLocal DNS cache N/A N/A Increased memory resource requests from 5Mi to 8Mi to better align with normal resource utilization.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1510 1550 Updated image for CVE-2021-3711{: external} and CVE-2021-3712{: external}.
Operator Lifecycle Manager 0.14.1-IKS-11 0.14.1-IKS-13 Updated image for CVE-2021-3711{: external} and CVE-2021-3712{: external}.
{: caption="Changes since version 1.18.20_1562" caption-side="bottom"}

Change log for worker node fix pack 1.18.20_1564, released 13 September 2021

{: #11820_1564}

The following table shows the changes that are in the worker node fix pack patch update 1.18.20_1564. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-154 4.15.0-156 Updated worker node images and kernel with package updates for CVE-2021-3653{: external}, CVE-2021-3656{: external}, CVE-2021-38185{: external}, CVE-2021-40153{: external}.
{: caption="Changes since version 1.18.20_1563" caption-side="bottom"}

Change log for worker node fix pack 1.18.20_1563, released 30 August 2021

{: #11820_1563}

The following table shows the changes that are in the worker node fix pack patch update 1.18.20_1563. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-153 4.15.0-154 Updated worker node images and kernel with package updates for CVE-2021-3711{: external} and CVE-2021-3712{: external}.
{: caption="Changes since version 1.18.20_1561" caption-side="bottom"}

Change log for master fix pack 1.18.20_1562, released 25 August 2021

{: #11820_1562}

The following table shows the changes that are in the master fix pack patch update 1.18.20_1562. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.2.14 v1.2.15 Updated to use Go version 1.15.15. Updated universal base image (UBI) to the latest 8.4 version to resolve CVEs.
Gateway-enabled cluster controller 1348 1444 Updated image for CVE-2021-36159{: external}.
GPU device plug-in and installer 82ee77b a9461a8 Updated to use Go version 1.16.6.
IBM Calico extension 747 763 Updated to use Go version 1.16.6. Updated universal base image (UBI) to the latest 8.4-205 version to resolve CVEs.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 395 398 Updated to use Go version 1.16.6. Updated image for CVE-2021-33910{: external}.
Key Management Service provider v2.3.6 v2.3.7 Updated to use Go version 1.15.15. Updated UBI to the latest 8.4 version to resolve CVEs.
Kubernetes Dashboard metrics scraper v1.0.6 v1.0.7 See the Kubernetes Dashboard metrics scraper release notes{: external}.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1328 1510 Updated image for CVE-2020-27780{: external}.
Operator Lifecycle Manager 0.14.1-IKS-8 0.14.1-IKS-11 Updated image for CVE-2021-36159{: external}.
{: caption="Changes since version 1.18.20_1559" caption-side="bottom"}

Change log for worker node fix pack 1.18.20_1561, released 16 August 2021

{: #11820_1561}

The following table shows the changes that are in the worker node fix pack patch update 1.18.20_1561. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-151 4.15.0-153 N/A
HA proxy 68e6b3 9c98dc Updated image with fixes for CVE-2021-27218{: external}.
{: caption="Changes since version 1.18.20_1560" caption-side="bottom"}

Change log for worker node fix pack 1.18.20_1560, released 02 August 2021

{: #11820_1560}

The following table shows the changes that are in the worker node fix pack patch update 1.18.20_1560. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-147 4.15.0-151 Updated worker node images & Kernel with package updates: CVE-2020-13529{: external}, CVE-2021-22898{: external}, CVE-2021-22924{: external} CVE-2021-22925{: external}, CVE-2021-33200{: external}, CVE-2021-33909{: external}, and CVE-2021-33910{: external}.
HA proxy aae810 68e6b3 Updated image with fixes for CVE-2021-33910{: external}.
Registry endpoints Added zonal public registry endpoints for clusters with both private and public service endpoints enabled.
Read only disk self healing For VPC Gen2 workers. Added automation to recover from disks going read only.
{: caption="Changes since version 1.18.29_1558" caption-side="bottom"}

Change log for master fix pack 1.18.20_1559, released 27 July 2021

{: #11820_1559}

The following table shows the changes that are in the master fix pack patch update 1.18.20_1559. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.23 v1.1.24 Updated universal base image (UBI) to the latest version to resolve CVEs.
etcd v3.4.14 v3.4.16 See the etcd release notes{: external}.
GPU device plug-in and installer 22e2e0d 82ee77b Updated image for CVE-2021-20271{: external}, CVE-2021-3516{: external}, CVE-2021-3517{: external}, CVE-2021-3518{: external}, CVE-2021-3537{: external}, CVE-2021-3541{: external} and CVE-2021-3520{: external}.
IBM Calico extension 730 747 Updated universal base image (UBI) to version 8.4-205 to resolve CVEs.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 394 395 Updated universal base image (UBI) to version 8.4-205 to resolve CVEs.
{{site.data.keyword.cloud_notm}} RBAC Operator b68ea92 945df65 Updated image for CVE-2021-33194{: external}.
Key Management Service provider v2.3.5 v2.3.6 Updated universal base image (UBI) to the latest version to resolve CVEs.
{: caption="Changes since version 1.18.20_1556" caption-side="bottom"}

Change log for worker node fix pack 1.18.29_1558, released 19 July 2021

{: #11829_1558}

The following table shows the changes that are in the worker node fix pack 1.18.29_1558. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 16.04 packages N/A N/A Updated worker node images with kernel package updates.
Ubuntu 18.04 packages N/A N/A Updated worker node images with kernel package updates.
{: caption="Changes since version 1.18.20_1557" caption-side="bottom"}

Change log for worker node fix pack 1.18.20_1557, released 6 July 2021

{: #11820_1557}

The following table shows the changes that are in the worker node fix pack 1.18.20_1557. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 700dc6 aae810 Updated image with fixes for CVE-2021-3520{: external}, CVE-2021-20271{: external}, CVE-2021-3516{: external}, CVE-2021-3517{: external}, CVE-2021-3518{: external}, CVE-2021-3537{: external}, and CVE-2021-3541{: external}.
Kubernetes v1.18.19 v1.18.20 See the Kubernetes release notes{: external}.
Ubuntu 18.04 packages 4.15.0.144 4.15.0.147 Updated worker node images with kernel package updates for CVE-2021-23133{: external}, CVE-2021-3444{: external}, and CVE-2021-3600{: external}.
{: caption="Changes since version 1.18.19_1555" caption-side="bottom"}

Change log for master fix pack 1.18.20_1556, released 28 June 2021

{: #11820_1556}

The following table shows the changes that are in the master fix pack patch update 1.18.20_1556. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.22 v1.1.23 Updated to use Go version 1.15.12. Updated image for CVE-2021-33194{: external}.
Gateway-enabled cluster controller 1352 1348 Updated to run as a non-root user by default, with privileged escalation as needed.
GPU device plug-in and installer 19bf25c 22e2e0d Updated to use Go version 1.15.12. Updated universal base image (UBI) to version 8.4 to resolve CVEs. Updated the GPU drivers to version 460.73.01{: external}.
IBM Calico extension 689 730 Updated to use Go version 1.16.15. Updated minimal UBI to version 8.4 to resolve CVEs.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.19-2 v1.18.20-1 Updated to support the Kubernetes 1.18.20 release. Updated image to implement additional IBM security controls.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 392 394 Updated to use Go version 1.15.12. Updated UBI base image to version 8.4 to resolve CVEs.
{{site.data.keyword.cloud_notm}} RBAC Operator 63cd064 b68ea92 Updated to use Go version 1.16.4. Updated UBI base image to version 8.4 to resolve CVEs.
Key Management Service provider v2.3.4 v2.3.5 Updated to use Go version 1.15.12. Updated image for CVE-2021-33194{: external}.
Kubernetes v1.18.19 v1.18.20 See the Kubernetes release notes{: external}.
Portieris admission controller v0.10.2 v0.10.3 See the Portieris admission controller release notes{: external}.
{: caption="Changes since version 1.18.19_1552" caption-side="bottom"}

Change log for worker node fix pack 1.18.19_1555, released 22 June 2021

{: #11819_1555}

The following table shows the changes that are in the worker node fix pack 1.18.19_1555. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 26c5cc d3dc33 Updated image with fixes for CVE-2020-24977{: external}, CVE-2020-13434{: external}, CVE-2020-15358{: external}, CVE-2020-29361{: external}, CVE-2020-29362{: external}, CVE-2020-29363{: external}, CVE-2019-2708{: external}, CVE-2019-13012{: external}, CVE-2020-13543{: external}, CVE-2020-13584{: external}, CVE-2020-9948{: external}, CVE-2020-9951{: external}, CVE-2020-9983{: external}, CVE-2021-27219{: external}, CVE-2020-8231{: external}, CVE-2020-8284{: external}, CVE-2020-8285{: external}, CVE-2020-8286{: external}, CVE-2016-10228{: external}, CVE-2019-25013{: external}, CVE-2019-9169{: external}, CVE-2020-27618{: external}, CVE-2021-3326{: external}, CVE-2020-26116{: external}, CVE-2020-27619{: external}, CVE-2021-23336{: external}, CVE-2021-3177{: external}, CVE-2019-3842{: external}, CVE-2020-13776{: external}, CVE-2020-24330{: external}, CVE-2020-24331{: external}, CVE-2020-24332{: external}, CVE-2017-14502{: external}, CVE-2020-8927{: external} and CVE-2020-28196{: external}.
{{site.data.keyword.registrylong_notm}} N/A N/A Added private-only registry support for ca.icr.io, br.icr.io and jp2.icr.io.
Ubuntu 18.04 packages N/A N/A Updated worker node images with package updates for CVE-2017-8779{: external}, CVE-2017-8872{: external}, CVE-2018-16869{: external}, CVE-2019-20388{: external}, CVE-2020-24977{: external}, CVE-2021-3516{: external}, CVE-2021-3517{: external} CVE-2021-3518{: external}, CVE-2021-3537{: external}, CVE-2021-3580{: external}.
{: caption="Changes since version 1.18.19_1554" caption-side="bottom"}

Change log for worker node fix pack 1.18.19_1554, released 7 June 2021

{: #11819_1554}

The following table shows the changes that are in the worker node fix pack 1.18.19_1554. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 26c5cc 700dc6 Updated the image for CVE-2021-27219{: external}.
TCP keepalive optimization for VPC N/A N/A Set the net.ipv4.tcp_keepalive_time setting to 180 seconds for compatibility with VPC gateways.
Ubuntu 18.04 packages 4.15.0-143 4.15.0-144 Updated worker node images with kernel package updates for CVE-2021-25217{: external}, CVE-2021-31535{: external}, CVE-2021-32547{: external}, CVE-2021-32552{: external}, CVE-2021-32556{: external}, CVE-2021-32557{: external}, CVE-2021-3448{: external}, and CVE-2021-3520{: external}.
{: caption="Changes since version 1.18.19_1553" caption-side="bottom"}

Change log for worker node fix pack 1.18.19_1553, released 24 May 2021

{: #11819_1553}

The following table shows the changes that are in the worker node fix pack 1.18.19_1553. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy e0fa2f 26c5cc Updated image with fixes for CVE-2020-26116{: external}, CVE-2020-27619{: external}, CVE-2021-23336{: external}, CVE-2021-3177{: external}, CVE-2019-3842{: external}, CVE-2020-13776{: external}, CVE-2019-18276{: external}, CVE-2020-24977{: external}, CVE-2020-13434{: external}, CVE-2020-15358{: external}, CVE-2019-13012{: external}, CVE-2020-13543{: external}, CVE-2020-13584{: external}, CVE-2020-9948{: external}, CVE-2020-9951{: external}, CVE-2020-9983{: external}, CVE-2020-8231{: external}, CVE-2020-8284{: external}, CVE-2020-8285{: external}, CVE-2020-8286{: external}, CVE-2020-24330{: external}, CVE-2020-24331{: external}, CVE-2020-24332{: external}, CVE-2020-29361{: external}, CVE-2020-29362{: external}, CVE-2020-29363{: external}, CVE-2020-28196{: external}, CVE-2019-2708{: external}, CVE-2016-10228{: external}, CVE-2019-25013{: external}, CVE-2019-9169{: external}, CVE-2020-27618{: external}, CVE-2021-3326{: external}, and CVE-2020-8927{: external}.
Kubernetes v1.18.18 v1.18.19 See the Kubernetes release notes{: external}.
Ubuntu 18.04 packages 4.15.0-142 4.15.0-143 Updated worker node images with kernel package updates for CVE-2021-28688{: external}, CVE-2021-20292{: external}, CVE-2021-29264{: external}, CVE-2021-29265{: external}, and CVE-2021-29650{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node images with package updates for CVE-2009-5155{: external} and CVE-2020-6096{: external}.
{: caption="Changes since version 1.18.18_1551" caption-side="bottom"}

Change log for master fix pack 1.18.19_1552, released 24 May 2021

{: #11819_1552}

The following table shows the changes that are in the master fix pack patch update 1.18.19_1552. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.21 v1.1.22 Updated image to implement additional IBM security controls and for CVE-2020-26160{: external}, CVE-2020-28483{: external} and CVE-2021-20305{: external}.
CoreDNS 1.8.3 1.8.0 See the CoreDNS release notes{: external}.
Gateway-enabled cluster controller 1322 1352 Updated to use Go version 1.15.11. Updated image to implement additional IBM security controls and for CVE-2021-28831{: external}, CVE-2021-30139{: external}, CVE-2021-3449{: external} and CVE-2021-3450{: external}.
IBM Calico extension 618 689 Updated to use Go version 1.15.12. Updated image to implement additional IBM security controls and for CVE-2020-14391{: external}, CVE-2020-25661{: external} and CVE-2020-25662{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.18-1 v1.18.19-2 Updated to support the Kubernetes 1.18.19 release.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 390 392 Improved the prerequisite validation logic for provisioning persistent volume claims (PVCs). Updated image to implement additional IBM security controls and for CVE-2021-20305{: external}.
{{site.data.keyword.cloud_notm}} RBAC Operator b6a694b 63cd064 Updated image to implement additional IBM security controls and for CVE-2020-28483{: external}.
Key Management Service provider v2.3.3 v2.3.4 Updated image to implement additional IBM security controls and for CVE-2020-28483{: external} and CVE-2020-26160{: external}.
Kubernetes v1.18.18 v1.18.19 See the Kubernetes release notes{: external}. The update resolves CVE-2020-8562 (see the IBM security bulletin{: external}) and CVE-2021-25737 (see the IBM security bulletin{: external}).
Kubernetes add-on resizer 1.8.11 1.8.12 See the Kubernetes add-on resizer release notes{: external}.
Kubernetes Metrics Server v0.3.7 v0.4.4 See the Kubernetes Metrics Server release notes{: external}.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1274 1328 Updated to use Go version 1.15.11. Updated image to implement additional IBM security controls and for CVE-2021-28831{: external}, CVE-2021-30139{: external}, CVE-2021-3449{: external} and CVE-2021-3450{: external}.
Portieris admission controller v0.10.1 v0.10.2 See the Portieris admission controller release notes{: external}.
{: caption="Changes since version 1.18.18_1549" caption-side="bottom"}

Change log for worker node fix pack 1.18.18_1551, released 10 May 2021

{: #11818_1551}

The following table shows the changes that are in the worker node fix pack 1.18.18_1551. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node images with package updates for CVE-2021-25214{: external}, CVE-2021-25215{: external}, and CVE-2021-25216{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node images with package updates for CVE-2020-27350{: external}, CVE-2020-3810{: external}, CVE-2021-25214{: external}, CVE-2021-25215{: external}, and CVE-2021-25216{: external}.
{: caption="Changes since version 1.18.18_1550" caption-side="bottom"}

Change log for master fix pack 1.18.18_1549, released 27 April 2021

{: #11818_1549}

The following table shows the changes that are in the master fix pack patch update 1.18.18_1549. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.19 v1.1.21 Updated to use Go version 1.15.11. Updated image to implement additional IBM security controls and for CVE-2021-3449{: external}, CVE-2021-3450{: external}, and CVE-2021-20305{: external}.
CoreDNS 1.8.0 1.8.3 See the CoreDNS release notes{: external}.
GPU device plug-in and installer c1c6dd3 19bf25c Updated image for CVE-2021-3449{: external}, CVE-2021-3450{: external}, and CVE-2021-20305{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.17-1 v1.18.18-1 Updated to support the Kubernetes 1.18.18 release.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 389 390 Updated to use Go version 1.15.9 and for CVE-2020-28851{: external} and CVE-2021-3121{: external}.
{{site.data.keyword.cloud_notm}} RBAC Operator 3dd6bbc b6a694b Updated image for CVE-2021-3449{: external} and CVE-2021-3450{: external}.
Key Management Service provider v2.2.5 v2.3.3 Updated to use Go version 1.15.11. Updated image to implement additional IBM security controls and for CVE-2021-3449{: external}, CVE-2021-3450{: external}, and CVE-2021-20305{: external}.
Kubernetes v1.18.17 v1.18.18 See the Kubernetes release notes{: external}. The update resolves CVE-2021-25735 (see the IBM security bulletin{: external}).
Kubernetes NodeLocal DNS cache 1.15.14 1.17.3 See the Kubernetes NodeLocal DNS cache release notes{: external}.
OpenVPN client 2.4.6-r3-IKS-301 2.4.6-r3-IKS-386 Updated image to implement additional IBM security controls.
OpenVPN server 2.4.6-r3-IKS-301 2.4.6-r3-IKS-385 Updated image to implement additional IBM security controls.
Operator Lifecycle Manager 0.14.1-IKS-4 0.14.1-IKS-8 Updated image for CVE-2021-3449{: external}, CVE-2021-3450{: external}, and CVE-2021-30139{: external}.
{: caption="Changes since version 1.18.17_1546" caption-side="bottom"}

Change log for worker node fix pack 1.18.18_1550, released 26 April 2021

{: #11818_1550}

The following table shows the changes that are in the worker node fix pack 1.18.18_1550. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy a3b1ff e0fa2f The update addresses CVE-2021-20305{: external}.
Ubuntu 18.04 packages N/A N/A Added resiliency to systemd units to prevent failures situations where the worker nodes are overused. \n Updated worker node images with kernel and package updates for CVE-2018-13095{: external}, CVE-2021-20305{: external}, CVE-2021-29154{: external}, and CVE-2021-3348{: external}.
Ubuntu 16.04 packages 4.4.0-206 4.4.0-210 Updated worker node images with kernel and package updates for [CVE-2015-1350{: external}, CVE-2017-15107{: external}, CVE-2017-5967{: external}, CVE-2018-13095{: external}, CVE-2018-5953{: external}, CVE-2019-14513{: external}, CVE-2019-16231{: external}, CVE-2019-16232{: external}, CVE-2019-19061{: external}, CVE-2021-20305{: external}, and CVE-2021-29154{: external}.
{: caption="Changes since version 1.18.17_1548" caption-side="bottom"}

Change log for worker node fix pack 1.18.17_1548, released 12 April 2021

{: #11817_1548}

The following table shows the changes that are in the worker node fix pack 1.18.17_1548. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 9b2dca a3b1ff The update addresses CVE-2021-3449{: external} and CVE-2021-3450{: external}.
Ubuntu 18.04 packages N/A N/A Updated worker node images with package updates for CVE-2021-22876{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node images with package updates for CVE-2021-22876{: external}.
{: caption="Changes since version 1.18.17_1547" caption-side="bottom"}

Change log for master fix pack 1.18.17_1546, released 30 March 2021

{: #11817_1546}

The following table shows the changes that are in the master fix pack patch update 1.18.17_1546. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
{{site.data.keyword.at_short}} event N/A N/A Now, the containers-kubernetes.version.update event is sent to {{site.data.keyword.at_short}} when a master fix pack update is initiated for a cluster.
Cluster health image v1.1.18 v1.1.19 Updated image for CVE-2020-28851{: external}.
Gateway-enabled cluster controller 1232 1322 Updated to use Go version 1.15.10 and for CVE-2021-23839{: external}, CVE-2021-23840{: external}, and CVE-2021-23841{: external}.
GPU device plug-in and installer af5a6cb c1c6dd3 Updated image for CVE-2021-27919{: external}, CVE-2020-28851{: external}, and CVE-2020-28852{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.16-2 v1.18.17-1 Updated to support the Kubernetes 1.18.17 release. Fixed a bug that prevented VPC load balancers from supporting more than 50 subnets in an account.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 388 389 Updated to use Go version 1.15.8.
{{site.data.keyword.cloud_notm}} RBAC Operator 86de2b7 3dd6bbc Updated image for CVE-2020-28851{: external}.
Kubernetes v1.18.16 v1.18.17 See the Kubernetes release notes{: external}.
{: caption="Changes since version 1.18.16_1544" caption-side="bottom"}

Change log for worker node fix pack 1.18.17_1547, released 29 March 2021

{: #11817_1547}

The following table shows the changes that are in the worker node fix pack 1.18.17_1547. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-136-generic 4.15.0-140-generic Updated worker node images with kernel and package updates for CVE-2020-27170{: external}, CVE-2020-27171{: external}, CVE-2021-27363{: external}, CVE-2021-27365{: external}, CVE-2021-28153{: external}, and CVE-2021-3449{: external}.
Ubuntu 16.04 packages 4.4.0-203-generic 4.4.0-206-generic Updated worker node images with kernel and package updates for CVE-2021-27363{: external}, CVE-2021-27365{: external}, and CVE-2021-28153{: external}.
{: caption="Changes since version 1.18.16_1545" caption-side="bottom"}

Change log for worker node fix pack 1.18.16_1545, released 12 March 2021

{: #11816_1545}

The following table shows the changes that are in the worker node fix pack 1.18.16_1545. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Containerd v1.3.9 1.3.10 See the containerd release notes{: external}. The update resolves CVE-2021-21334 (see the IBM security bulletin{: external}).
Ubuntu 18.04 packages N/A N/A Updated worker node image with package updates for CVE-2021-21300{: external}, CVE-2021-24031{: external}, CVE-2021-24032{: external}, CVE-2021-27218{: external}, and CVE-2021-27219{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for{: external}, CVE-2021-21300{: external}, CVE-2021-27218{: external}, CVE-2021-27219{: external}, and CVE-2021-3177{: external}.
{: caption="Changes since version 1.18.16_1544" caption-side="bottom"}

Change log for worker node fix pack 1.18.16_1544, released 1 March 2021

{: #11816_1544}

The following table shows the changes that are in the worker node fix pack 1.18.16_1544. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.15 v1.18.16 See the Kubernetes release notes{: external}.
Ubuntu 18.04 packages 4.15.0-135-generic 4.15.0-136-generic Updated worker node image with package updates for CVE-2020-27619{: external}, CVE-2020-29372{: external}, CVE-2020-29374{: external}, CVE-2020-8625{: external}, CVE-2021-23840{: external}, CVE-2021-23841{: external}, CVE-2021-26937{: external}, CVE-2021-27212{: external}, and CVE-2021-3177{: external}.
Ubuntu 16.04 packages 4.4.0-201-generic 4.4.0-203-generic Updated worker node image with package updates for CVE-2020-27619{: external}, CVE-2020-29372{: external}, CVE-2020-29374{: external}, CVE-2020-8625{: external}, CVE-2021-23840{: external}, CVE-2021-23841{: external}, CVE-2021-26937{: external}, CVE-2021-27212{: external}, and CVE-2021-3177{: external}.
{: caption="Changes since version 1.18.15_1541" caption-side="bottom"}

Change log for master fix pack 1.18.16_1544, released 27 February 2021

{: #11816_1544_master}

The following table shows the changes that are in the master fix pack patch update 1.18.16_1543. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1165 1274 Fixed a bug that might cause version 2.0 network load balancers (NLBs) to crash and restart on load balancer updates.
{: caption="Changes since version 1.18.16_1543" caption-side="bottom"}

Change log for master fix pack 1.18.16_1543, released 22 February 2021

{: #11816_1543}

The following table shows the changes that are in the master fix pack patch update 1.18.16_1543. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Calico v3.13.4 v3.13.5 See the Calico release notes{: external}.
Cluster health image v1.1.16 v1.1.18 Updated to use Go version 1.15.7. Updated image to implement additional IBM security controls.
Gateway-enabled cluster controller 1195 1232 Updated to use Go version 1.15.7.
IBM Calico extension 567 618 Updated to use Go version 1.15.7.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.15-3 v1.18.16-2 Updated to support the Kubernetes 1.18.16 release and to use calicoctl version 3.13.5. Updated image to implement additional IBM security controls and for DLA-2509-1{: external}. Updated version 1.0 and 2.0 network load balancers (NLBs) to run as a non-root user by default, with privileged escalation as needed.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 385 388 Improved the retry logic for provisioning persistent volume claims (PVCs).
{{site.data.keyword.cloud_notm}} RBAC Operator f859228 86de2b7 Updated to use Go version 1.15.7.
Key Management Service provider v2.2.3 v2.2.5 Updated to use Go version 1.15.7. Updated image to implement additional IBM security controls.
Kubernetes v1.18.15 v1.18.16 See the Kubernetes release notes{: external}.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1078 1165 Updated to run as a non-root user by default, with privileged escalation as needed. Updated to use Go version 1.15.7.
Operator Lifecycle Manager 0.14.1-IKS-2 0.14.1-IKS-4 Updated image for CVE-2021-23839{: external}, CVE-2021-23840{: external}, and CVE-2021-23841{: external}.
{: caption="Changes since version 1.18.15_1538" caption-side="bottom"}

Change log for worker node fix pack 1.18.15_1541, released 15 February 2021

{: #11815_1541}

The following table shows the changes that are in the worker node fix pack 1.18.15_1541. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-36221{: external}, CVE-2020-36222{: external}, CVE-2020-36223{: external}, CVE-2020-36224{: external}, CVE-2020-36225{: external}, CVE-2020-36226{: external}, CVE-2020-36227{: external}, CVE-2020-36228{: external}, CVE-2020-36229{: external}, CVE-2020-36230{: external}, CVE-2021-25682{: external}, CVE-2021-25683{: external}, and CVE-2021-25684{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-36221{: external}, CVE-2020-36222{: external}, CVE-2020-36223{: external}, CVE-2020-36224{: external}, CVE-2020-36225{: external}, CVE-2020-36226{: external}, CVE-2020-36227{: external}, CVE-2020-36228{: external}, CVE-2020-36229{: external}, CVE-2020-36230{: external}, CVE-2021-25682{: external}, CVE-2021-25683{: external}, and CVE-2021-25684{: external}.
{: caption="Changes since version 1.18.15_1540" caption-side="bottom"}

Change log for worker node fix pack 1.18.15_1540, released 3 February 2021

{: #11815_1540}

The following table shows the changes that are in the worker node fix pack 1.18.15_1540. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Metadata updates N/A N/A Updated the worker node version fix pack metadata for internal documentation purposes.
{: caption="Changes since version 1.18.15_1539" caption-side="bottom"}

Change log for worker node fix pack 1.18.15_1539, released 1 February 2021

{: #11815_1539}

The following table shows the changes that are in the worker node fix pack 1.18.15_1539. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 16.04 packages 4.4.0-200-generic 4.4.0-201-generic Updated worker node image with kernel and package updates for CVE-2019-14834{: external}, CVE-2020-25681{: external}, CVE-2020-25682{: external}, CVE-2020-25683{: external}, CVE-2020-25684{: external}, CVE-2020-25685{: external}, CVE-2020-25686{: external}, CVE-2020-25687{: external}, CVE-2020-27777{: external}, CVE-2021-23239{: external}, and CVE-2021-3156{: external}.
Ubuntu 18.04 packages 4.15.0-132-generic 4.15.0-135-generic Updated worker node image with kernel and package updates for CVE-2019-12761{: external}, CVE-2019-14834{: external}, CVE-2020-25681{: external}, CVE-2020-25682{: external}, CVE-2020-25683{: external}, CVE-2020-25684{: external}, CVE-2020-25685{: external}, CVE-2020-25686{: external}, CVE-2020-25687{: external}, CVE-2020-27777{: external}, CVE-2021-23239{: external}, and CVE-2021-3156{: external}.
{: caption="Changes since version 1.18.15_1538" caption-side="bottom"}

Change log for master fix pack 1.18.15_1538, released 19 January 2021

{: #11815_1538_master}

The following table shows the changes that are in the master fix pack patch update 1.18.15_1538. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.14 v1.1.16 Updated image to implement additional IBM security controls.
Gateway-enabled cluster controller 1184 1195 Updated image for CVE-2020-1971{: external}.
GPU device plug-in and installer c26e2ae af5a6cb Updated image for CVE-2021-3114{: external}, CVE-2021-3115{: external}, CVE-2020-27350{: external}, CVE-2020-29361{: external}, CVE-2020-29362{: external}, CVE-2020-29363{: external}, CVE-2020-1971{: external}, CVE-2020-8231{: external}, CVE-2020-8284{: external}, CVE-2020-8285{: external}, and CVE-2020-8286{: external}.
IBM Calico extension 556 567 Updated image for CVE-2020-1971{: external} and CVE-2020-24659{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.14-1 v1.18.15-3 Updated to support the Kubernetes 1.18.5 release and to implement additional IBM security controls.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 384 385 Updated image for CVE-2020-1971{: external} and CVE-2020-24659{: external}.
Key Management Service provider v2.2.2 v2.2.3 Fixed bug to ignore conflict errors during KMS secret re-encryption. Updated to use Go version 1.15.5. Updated image to implement additional IBM security controls and for CVE-2020-1971{: external}.
Kubernetes v1.18.14 v1.18.15 See the Kubernetes release notes{: external}. Updated to implement additional IBM security controls.
Kubernetes Dashboard v2.0.4 v2.0.5 See the Kubernetes Dashboard release notes{: external}.
Kubernetes Dashboard metrics scraper v1.0.4 v1.0.6 See the Kubernetes Dashboard metrics scraper release notes{: external}.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 1004 1078 Updated image for CVE-2020-1971{: external}.
Operator Lifecycle Manager Catalog v1.6.1 v1.15.3 See the Operator Lifecycle Manager Catalog release notes{: external}.
{: caption="Changes since version 1.18.14_1537" caption-side="bottom"}

Change log for worker node fix pack 1.18.15_1538, released 18 January 2021

{: #11815_1538}

The following table shows the changes that are in the worker node fix pack 1.18.15_1538. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.13 v1.18.15 See the Kubernetes release notes{: external}.
Ubuntu 16.04 packages 4.4.0-197-generic 4.4.0-200-generic Updated worker node image with kernel and package updates for CVE-2018-20482{: external}, CVE-2019-9923{: external}, CVE-2020-28374{: external}, CVE-2020-29361{: external} external}, and CVE-2020-29362{: external} external}.
Ubuntu 18.04 packages 4.15.0-128-generic 4.15.0-132-generic Updated worker node image with kernel and package updates for{: external}, CVE-2018-20482{: external}, CVE-2019-9923{: external}, CVE-2020-28374{: external}, CVE-2020-29361{: external}, CVE-2020-29362{: external}, CVE-2020-29363{: external}, CVE-2021-1052{: external}, CVE-2021-1053{: external}, and CVE-2019-19770{: external}.
{: caption="Changes since version 1.18.13_1536" caption-side="bottom"}

Change log for master fix pack 1.18.14_1537, released 6 January 2021

{: #11814_1537}

The following table shows the changes that are in the master fix pack patch update 1.18.14_1537. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
IBM Calico extension 544 556 Updated image to include the ip command.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.13-1 v1.18.14-1 Updated to support the Kubernetes 1.18.14 release.
{{site.data.keyword.filestorage_full_notm}} plug-in N/A N/A Updated to run with a privileged security context.
{{site.data.keyword.cloud_notm}} RBAC Operator c148a8a f859228 Updated image for CVE-2020-1971{: external} and CVE-2020-24659{: external}.
Key Management Service provider v2.0.7 v2.2.2 Updated the key management service (KMS) provider support as follows. \n - Updated to use Go version 1.15.2. \n - Added support for service-to-service authentication. \n - Updated to use the KMS provider secret to identify when a Key Protect key is enabled and disabled so that encryption and decryption requests are updated accordingly.
Kubernetes v1.18.13 v1.18.14 See the Kubernetes release notes{: external}.
Kubernetes NodeLocal DNS cache N/A N/A Updated to run with a least privileged security context.
Operator Lifecycle Manager 0.14.1-IKS-1 0.14.1-IKS-2 Updated image for CVE-2020-1971{: external} and CVE-2020-28928{: external}.
{: caption="Changes since version 1.18.13_1535" caption-side="bottom"}

Change log for worker node fix pack 1.18.13_1536, released 21 December 2020

{: #11813_1536}

The following table shows the changes that are in the worker node fix pack 1.18.13_1536. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for: CVE-2020-1971{: external}, CVE-2020-27350{: external}, CVE-2020-27351{: external}, CVE-2020-8284{: external}, CVE-2020-8285{: external}, and CVE-2020-8286{: external}.
Ubuntu 18.04 packages 4.15.0-126-generic 4.15.0-128-generic Updated worker node image with kernel and package updates for: CVE-2020-1971{: external}, CVE-2020-27350{: external}, CVE-2020-27351{: external}, CVE-2020-8284{: external}, CVE-2020-8285{: external}, and CVE-2020-8286{: external}.
Kubernetes v1.18.12 v1.18.13 See the Kubernetes change logs.{: external}
Ephemeral storage reservations N/A N/A Reserve local ephemeral storage to prevent workload evictions.
HA proxy db4e6d 9b2dca Image update for CVE-2020-1971{: external} and CVE-2020-24659{: external}.
{: caption="Changes since version 1.18.13_1535" caption-side="bottom"}

Change log for master fix pack 1.18.13_1535, released 14 December 2020

{: #11813_1535}

The following table shows the changes that are in the master fix pack patch update 1.18.13_1535. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.13 v1.1.14 Updated image to implement additional IBM security controls.
CoreDNS 1.6.9 1.8.0 See the CoreDNS release notes{: external}. Additionally, updated the CoreDNS configuration to increase the weight of scheduling CoreDNS pods to different worker nodes and zones.
etcd v3.4.13 v3.4.14 See the etcd release notes{: external}.
Gateway-enabled cluster controller 1105 1184 Updated to use Go version 1.15.5. Updated image to implement additional IBM security controls.
GPU device plug-in and installer b966c41 c26e2ae Updated the GPU drivers to version 450.80.02{: external}. Updated image for CVE-2020-28367{: external}, CVE-2020-28366{: external}, and CVE-2020-28362{: external}. Updated image to implement additional IBM security controls.
IBM Calico extension 378 544 Updated to use the universal base image (UBI) and to use Go version 1.15.5. Updated image to implement additional IBM security controls.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.12-1 v1.18.13-1 Updated to support the Kubernetes 1.18.13 release. Updated image to implement additional IBM security controls. Fixed a bug in VPC load balancer creation when the cluster, VPC, or subnet are in a different resource group.
{{site.data.keyword.filestorage_full_notm}} monitor 379 384 Updated to use Go version 1.15.5 and to run as a non-root user. Updated image to implement additional IBM security controls.
{{site.data.keyword.filestorage_full_notm}} plug-in 379 384 Updated to use Go version 1.15.5 and to run with a least privileged security context. Updated image to implement additional IBM security controls.
{{site.data.keyword.cloud_notm}} RBAC Operator 197bc70 c148a8a Updated to use Go version 1.15.6 and updated image to implement additional IBM security controls.
Key management service (KMS) provider v2.0.5 v2.0.7 Updated image to implement additional IBM security controls.
Kubernetes v1.18.12 v1.18.13 See the Kubernetes release notes{: external}.
Kubernetes NodeLocal DNS cache N/A N/A Updated the NodeLocal DNS cache configuration to support customizing the node-local-dns config map.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 208 1004 Updated Alpine base image to version 3.12 and to use Go version 1.15.5. Updated image for CVE-2020-8037{: external} and CVE-2020-28928{: external}. Updated image to implement additional IBM security controls.
Operator Lifecycle Manager N/A N/A Updated to run as a non-root user.
OpenVPN client 2.4.6-r3-IKS-116 2.4.6-r3-IKS-301 Updated image to implement additional IBM security controls.
OpenVPN server 2.4.6-r3-IKS-222 2.4.6-r3-IKS-301 Updated image to implement additional IBM security controls.
{: caption="Changes since version 1.18.12_1533" caption-side="bottom"}

Change log for worker node fix pack 1.18.12_1535, released 11 December 2020

{: #11812_1535}

The following table shows the changes that are in the worker node fix pack 1.18.12_1535. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 bare metal kernel 4.15.0-126-generic 4.15.0-123-generic Bare metal worker nodes: Reverted the kernel version for bare metal worker nodes while Canonical addresses issues with the previous version that prevented worker nodes from being reloaded or updated.
{: caption="Changes since version 1.18.12_1534" caption-side="bottom"}

Change log for worker node fix pack 1.18.12_1534, released 7 December 2020

{: #11812_1534}

The following table shows the changes that are in the worker node fix pack 1.18.12_1534. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Containerd v1.3.4 1.3.9 See the containerd release notes{: external}. The update resolves CVE-2020–15257 (see the IBM security bulletin{: external}).
HA proxy 1.8.26-384f42 db4e6d Added provenance labels for source tracking.
Ubuntu 18.04 packages 4.15.0-123-generic 4.15.0-126-generic Updated worker node image with kernel and package updates for CVE-2020-14351{: external} and CVE-2020-4788{: external}.
Ubuntu 16.04 packages 4.4.0-194-generic 4.4.0-197-generic Updated worker node image with kernel and package updates for CVE-2020-0427{: external}, CVE-2020-12352{: external}, CVE-2020-14351{: external}, CVE-2020-25645{: external}, and CVE-2020-4788{: external}.
{: caption="Changes since version 1.18.12_1533" caption-side="bottom"}

Change log for worker node fix pack 1.18.12_1533, released 23 November 2020

{: #11812_1533_worker}

The following table shows the changes that are in the worker node fix pack 1.18.12_1533. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.10 v1.18.12 See the Kubernetes change log{: external}.
Ubuntu 18.04 packages 4.15.0-122-generic 4.15.0-123-generic Updated worker node image with kernel and package updates for CVE-2020-25692{: external}, CVE-2020-25709{: external}, CVE-2020-25710{: external}, CVE-2020-28196{: external}, and CVE-2020-8694{: external}.
Ubuntu 16.04 packages 4.4.0-193-generic 4.4.0-194-generic Updated worker node image with kernel and package updates for CVE-2020-25692{: external}, CVE-2020-25709{: external}, CVE-2020-25710{: external}, CVE-2020-28196{: external}, and CVE-2020-8694{: external}.
{: caption="Changes since version 1.18.10_1532" caption-side="bottom"}

Change log for master fix pack 1.18.12_1533, released 16 November 2020

{: #11812_1533}

The following table shows the changes that are in the master fix pack patch update 1.18.12_1533. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.12 v1.1.13 Updated image for DLA-2424-1{: external}.
GPU device plug-in and installer 0c07674 b966c41 Updated image for CVE-2019-20386{: external}, CVE-2019-13050{: external}, CVE-2020-8177{: external}, CVE-2019-14889{: external}, CVE-2020-1730{: external}, CVE-2020-10029{: external}, CVE-2020-1751{: external}, CVE-2020-1752{: external}, CVE-2019-16168{: external}, CVE-2019-20218{: external}, CVE-2019-5018{: external}, CVE-2020-13630{: external}, CVE-2020-13631{: external}, CVE-2020-13632{: external}, CVE-2020-6405{: external}, CVE-2020-9327{: external}, CVE-2019-1551{: external}, CVE-2019-19221{: external}, CVE-2019-16935{: external}, CVE-2019-20907{: external}, CVE-2020-14422{: external}, CVE-2020-8492{: external}, CVE-2019-19906{: external}, CVE-2019-20454{: external}, CVE-2019-19956{: external}, CVE-2019-20388{: external}, CVE-2020-7595{: external}, CVE-2019-13627{: external}, CVE-2018-20843{: external}, CVE-2019-15903{: external}, and CVE-2019-20387{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.10-1 v1.18.12-1 Updated to support the Kubernetes 1.18.12 release. Updated image for DLA-2424-1{: external}.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 378 379 Updated to use the universal base image (UBI) and to use Go version 1.15.2.
{{site.data.keyword.cloud_notm}} RBAC Operator 31c794a 197bc70 Updated image for CVE-2019-20454{: external}, CVE-2020-10029{: external}, CVE-2020-1751{: external}, CVE-2020-1752{: external}, CVE-2019-20807{: external}, CVE-2019-16935{: external}, CVE-2019-20907{: external}, CVE-2020-14422{: external}, CVE-2020-8492{: external}, CVE-2019-15165{: external}, CVE-2019-16168{: external}, CVE-2019-20218{: external}, CVE-2019-5018{: external}, CVE-2020-13630{: external}, CVE-2020-13631{: external}, CVE-2020-13632{: external}, CVE-2020-6405{: external}, CVE-2020-9327{: external}, CVE-2020-8177{: external}, CVE-2019-13050{: external}, CVE-2018-20843{: external}, CVE-2019-15903{: external}, CVE-2019-14889{: external}, CVE-2020-1730{: external}, CVE-2019-1551{: external}, CVE-2020-14382{: external}, CVE-2019-13627{: external}, CVE-2019-19956{: external}, CVE-2019-20388{: external}, CVE-2020-7595{: external}, CVE-2019-20386{: external}, CVE-2019-19906{: external}, CVE-2019-20387{: external}, and CVE-2019-19221{: external}.
Key Management Service provider v2.0.4 v2.0.5 Updated image for DLA-2424-1{: external}.
Kubernetes v1.18.10 v1.18.12 See the Kubernetes release notes{: external}.
{: caption="Changes since version 1.18.10_1531" caption-side="bottom"}

Change log for worker node fix pack 1.18.10_1532, released 9 November 2020

{: #11810_1532}

The following table shows the changes that are in the worker node fix pack 1.18.10_1532. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node image with kernel and package updates for CVE-2018-14036{: external}, CVE-2020-10543{: external}, CVE-2020-10878{: external}, CVE-2020-12723{: external}, CVE-2020-16126{: external}, CVE-2020-25659{: external}, and CVE-2017-18269{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for CVE-2018-14036{: external}, CVE-2020-10543{: external}, CVE-2020-10878{: external}, CVE-2020-12723{: external}, CVE-2020-16126{: external}, and CVE-2020-25659{: external}.
{: caption="Changes since version 1.18.10_1531" caption-side="bottom"}

Change log for worker node fix pack 1.18.10_1531, released 26 October 2020

{: #11810_1531_worker}

The following table shows the changes that are in the worker node fix pack 1.18.10_15313. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.9 v1.18.10 See the Kubernetes release notes{: external}.
Ubuntu 18.04 packages 4.15.0-118-generic 4.15.0-122-generic Updated worker node images with kernel and package updates for CVE-2018-10322{: external}, CVE-2019-20807{: external}, CVE-2019-20916{: external}, CVE-2020-12351{: external}, CVE-2020-12352{: external}, CVE-2020-15999{: external}, CVE-2020-16119{: external}, CVE-2020-16120{: external}, CVE-2020-24490{: external}, and CVE-2020-26116{: external}.
Ubuntu 16.04 packages 4.4.0-190-generic 4.4.0-193-generic Updated worker node images with kernel and package updates for CVE-2017-17087{: external}, CVE-2018-10322{: external}, CVE-2019-20807{: external}, CVE-2020-15999{: external}, CVE-2020-16119{: external}, and CVE-2020-26116{: external}.
{: caption="Changes since version 1.18.9_1530" caption-side="bottom"}

Change log for master fix pack 1.18.10_1531, released 26 October 2020

{: #11810_1531}

The following table shows the changes that are in the master fix pack patch update 1.18.10_1531. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Calico configuration N/A N/A Updated the calico-node daemon set in the kube-system namespace to set the spec.updateStrategy.rollingUpdate.maxUnavailable parameter to 10% for clusters with more than 50 worker nodes.
Cluster health image v1.1.11 v1.1.12 Updated to use Go version 1.15.2.
Gateway-enabled cluster controller 1082 1105 Updated to use Go version 1.15.2.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.9-1 v1.18.10-1 Updated to support the Kubernetes 1.18.10 release.
{{site.data.keyword.cloud_notm}} RBAC Operator 4b47693 31c794a Updated to use Go version 1.15.2.
Kubernetes v1.18.9 v1.18.10 See the Kubernetes release notes{: external}.
Kubernetes NodeLocal DNS cache 1.15.13 1.15.14 See the Kubernetes NodeLocal DNS cache release notes{: external}.
{: caption="Changes since version 1.18.9_1528" caption-side="bottom"}

Change log for worker node fix pack 1.18.9_1530, released 12 October 2020

{: #1189_1530}

The following table shows the changes that are in the worker node fix pack 1.18.9_1530. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node image with package updates for CVE-2019-8936{: external}, CVE-2020-26137{: external}, and CVE-2020-14365{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-14365{: external} and CVE-2020-26137{: external}.
{: caption="Changes since version 1.18.8_1529" caption-side="bottom"}

Change log for worker node fix pack 1.18.9_1529, released 28 September 2020

{: #1189_1529}

The following table shows the changes that are in the worker node fix pack 1.18.9_1529. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.8 v1.18.9 See the Kubernetes release notes{: external}.
Ubuntu 18.04 packages 4.15.0-117-generic 4.15.0-118-generic Updated worker node image with kernel and package updates for CVE-2018-1000500{: external}, CVE-2018-7738{: external}, CVE-2019-14855{: external}, CVE-2019-1547{: external}, CVE-2019-1551{: external}, CVE-2019-1563{: external}, CVE-2020-10753{: external}, CVE-2020-12059{: external}, CVE-2020-12888{: external}, CVE-2020-1760{: external}, and CVE-2020-1968{: external}.
Ubuntu 16.04 packages 4.4.0-189-generic 4.4.0-190-generic Updated worker node image with kernel and package updates for CVE-2019-20811{: external}, CVE-2019-9453{: external}, CVE-2020-0067{: external}, and CVE-2020-1968{: external}.
{: caption="Changes since version 1.18.8_1527" caption-side="bottom"}

Change log for master fix pack 1.18.9_1528, released 21 September 2020

{: #1189_1528}

The following table shows the changes that are in the master fix pack patch update 1.18.9_1528. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.9 v1.1.11 Updated Go version for CVE-2020-16845{: external} and CVE-2020-24553{: external}.
etcd v3.4.10 v3.4.13 See the etcd release notes{: external}.
GPU device plug-in and installer bacb9e1 edd26a4 Updated Go version for CVE-2020-16845{: external} and CVE-2020-24553{: external}. Updated the GPU drivers to version 450.51.06{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.6-1 v1.18.9-1 Updated to support the Kubernetes 1.18.9 release and to use Go version 1.13.15.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 377 378 Updated Go version for CVE-2020-16845{: external}.
{{site.data.keyword.cloud_notm}} RBAC Operator d80b738 4b47693 Updated Go version for CVE-2020-16845{: external} and image for CVE-2020-14352{: external}.
Key Management Service provider v2.0.2 v2.0.4 Updated Go version for CVE-2020-16845{: external} and CVE-2020-24553{: external}.
Kubernetes v1.18.8 v1.18.9 See the Kubernetes release notes{: external}.
Kubernetes Dashboard v2.0.3 v2.0.4 See the Kubernetes Dashboard release notes{: external}.
{: caption="Changes since version 1.18.8_1527" caption-side="bottom"}

Change log for worker node fix pack 1.18.8_1527, released 14 September 2020

{: #1188_1527}

The following table shows the changes that are in the worker node fix pack 1.18.8_1527. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 1.8.25-384f42 1.8.26-561f1a See the HA proxy change log{: external}.
Ubuntu 18.04 packages 4.15.0-112-generic 4.15.0-117-generic Updated worker node image with kernel and package updates for CVE-2020-14344{: external}, CVE-2020-14363{: external}, and CVE-2020-14386{: external}.
Ubuntu 16.04 packages 4.4.0-187-generic 4.4.0-189-generic Updated worker node image with kernel and package updates for CVE-2020-14344{: external} and CVE-2020-14363{: external}.
{: caption="Changes since version 1.18.8_1526" caption-side="bottom"}

Change log for worker node fix pack 1.18.8_1526, released 31 August 2020

{: #1188_1526}

The following table shows the changes that are in the worker node fix pack 1.18.8_1526. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-12403{: external}, CVE-2020-8231{: external}, CVE-2020-8622{: external}, CVE-2020-8623{: external}, and CVE-2020-8624{: external}.
Ubuntu 16.04 packages 4.4.0-186-generic 4.4.0-187-generic Updated worker node image with kernel and package updates for CVE-2020-8231{: external}, CVE-2020-8622{: external}, and CVE-2020-8623{: external}.
{: caption="Changes since version 1.18.8_1525" caption-side="bottom"}

Change log for master fix pack 1.18.8_1525, released 18 August 2020

{: #1188_1525_master}

The following table shows the changes that are in the master fix pack patch update 1.18.8_1525. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster health image v1.1.8 v1.1.9 Updated to use Go version 1.13.13.
etcd v3.4.9 v3.4.10 See the etcd release notes{: external}.
GPU device plug-in and installer 6847df8 f22c75e Updated image for CVE-2020-14039{: external} and CVE-2020-15586{: external}.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 376 377 Fixed a bug that prevents persistent volume claim (PVC) creation failures from being retried.
{{site.data.keyword.cloud_notm}} RBAC Operator 8882606 d80b738 Updated image for CVE-2020-12049{: external} and to use Go version 1.13.14.
Key Management Service provider v1.0.0 v2.0.2 Updated image for CVE-2020-15586{: external}.
Kubernetes v1.18.6 v1.18.8 See the Kubernetes release notes{: external}.
Kubernetes add-on resizer 1.8.7 1.8.11 See the Kubernetes add-on resizer release notes{: external}.
Kubernetes configuration N/A N/A The Kubernetes API server audit policy configuration is updated to include auditing of all API groups except apiregistration.k8s.io and coordination.k8s.io.
Kubernetes Metrics Server v0.3.6 v0.3.7 See the Kubernetes Metrics Server release notes{: external}.
Kubernetes NodeLocal DNS cache configuration N/A N/A Increased the pod termination grace period.
{: caption="Changes since version 1.18.6_1523" caption-side="bottom"}

Change log for worker node fix pack 1.18.8_1525, released 17 August 2020

{: #1188_1525}

The following table shows the changes that are in the worker node fix pack 1.18.8_1525. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Kubernetes v1.18.6 v1.18.8 See the Kubernetes change logs{: external}.
Ubuntu 18.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-11936{: external}, CVE-2020-12400{: external}, CVE-2020-12401{: external}, CVE-2020-15701{: external}, CVE-2020-15702{: external}, CVE-2020-15709{: external}, and CVE-2020-6829{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node image with package updates for CVE-2020-11936{: external}, CVE-2020-15701{: external}, CVE-2020-15702{: external}, and CVE-2020-15709{: external}.
{: caption="Changes since version 1.18.6_1523" caption-side="bottom"}

Change log for worker node fix pack 1.18.6_1523, released 3 August 2020

{: #1186_1523}

The following table shows the changes that are in the worker node fix pack 1.18.6_1523. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages 4.15.0-111-generic 4.15.0-112-generic Updated worker node images with kernel and package updates for CVE-2019-17514{: external}, CVE-2019-20907{: external}, CVE-2019-9674{: external}, CVE-2020-10713{: external}, CVE-2020-10757{: external}, CVE-2020-11935{: external}, CVE-2020-14308{: external}, CVE-2020-14309{: external}, CVE-2020-14310{: external}, CVE-2020-14311{: external}, CVE-2020-14422{: external}, CVE-2020-15705{: external}, CVE-2020-15706{: external}, and CVE-2020-15707{: external}.
Ubuntu 16.04 packages 4.4.0-185-generic 4.4.0-186-generic Updated worker node images with package updates for CVE-2019-12380{: external}, CVE-2019-17514{: external}, CVE-2019-20907{: external}, CVE-2019-9674{: external}, CVE-2020-10713{: external}, CVE-2020-11935{: external}, CVE-2020-14308{: external}, CVE-2020-14309{: external}, CVE-2020-14310{: external}, CVE-2020-14311{: external}, CVE-2020-14422{: external}, CVE-2020-15705{: external}, CVE-2020-15706{: external}, and CVE-2020-15707{: external}.
{: caption="Changes since version 1.18.6_1520" caption-side="bottom"}

Change log for master fix pack 1.18.6_1522, released 24 July 2020

{: #1186_1522}

The following table shows the changes that are in the master fix pack patch update 1.18.6_1522. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
Cluster master operations N/A N/A Fixed a problem that might cause pods to fail authentication to the Kubernetes API server after a cluster master operation.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 375 376 Updated to use Go version 1.13.8.
{: caption="Changes since version 1.18.6_1521" caption-side="bottom"}

Change log for master fix pack 1.18.6_1521, released 20 July 2020

{: #1186_1521}

The following table shows the changes that are in the master fix pack patch update 1.18.6_1521. Master patch updates are applied automatically. {: shortdesc}

Component Previous Current Description
GPU device plug-in and installer 31d4bb6 8c24345 Updated image for CVE-2017-12133{: external}, CVE-2017-18269{: external}, CVE-2018-11236{: external}, CVE-2018-11237{: external}, CVE-2018-19591{: external}, CVE-2018-6485{: external}, CVE-2019-19126{: external}, CVE-2019-9169{: external}, CVE-2020-10029{: external}, CVE-2020-1751{: external}, and CVE-2020-1752{: external}.
IBM Calico extension 353 378 Updated to handle any ens network interface.
{{site.data.keyword.cloud_notm}} Controller Manager v1.18.4-1 v1.18.6-1 Updated to support the Kubernetes 1.18.6 release.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor configuration N/A N/A Added a pod memory limit.
{{site.data.keyword.cloud_notm}} RBAC operator 08ce50e 8882606 Updated image for CVE-2020-13777{: external} and to use Go version 1.13.12.
Kubernetes v1.18.4 v1.18.6 See the Kubernetes release notes{: external}. The update resolves CVE-2020-8559 (see the IBM security bulletin{: external}).
Kubernetes configuration N/A N/A The Kubernetes API server audit policy configuration is updated to include auditing the scheduling.k8s.io API group and the tokenreviews resource.
Kubernetes Dashboard v2.0.1 v2.0.3 See the Kubernetes Dashboard release notes{: external}.
OpenVPN server 2.4.6-r3-IKS-131 2.4.6-r3-IKS-222 Removed the deprecated comp-lzo compression configuration option and updated the default cipher that is used for encryption.
Operator Lifecycle Manager 0.14.1 0.14.1-IKS-1 Updated image for CVE-2020-1967{: external}.
{: caption="Changes since version 1.18.4_1518" caption-side="bottom"}

Change log for worker node fix pack 1.18.6_1520, released 20 July 2020

{: #1186_1520}

The following table shows the changes that are in the worker node fix pack 1.18.6_1520. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 2.0.15-afe432 1.8.25-384f42 See the HA proxy change log{: external}. Fixes a connection leak that happens when HA proxy is under high load.
Kubernetes v1.18.4 v1.18.6 See the Kubernetes change logs{: external}. The update resolves CVE-2020-8557 (see the IBM security bulletin{: external}).
Ubuntu 18.04 packages 4.15.0-109-generic 4.15.0-111-generic Updated worker node images with kernel and package updates for CVE-2018-11236{: external}, CVE-2018-11237{: external}, CVE-2018-19591{: external}, CVE-2019-19126{: external}, CVE-2019-9169{: external}, CVE-2020-10029{: external}, CVE-2020-12402{: external}, CVE-2020-1751{: external}, and CVE-2020-1752{: external}.
Ubuntu 16.04 packages 4.4.0-184-generic 4.4.0-185-generic Updated worker node images with package updates for CVE-2017-12133{: external}, CVE-2017-18269{: external}, CVE-2018-11236{: external}, CVE-2018-11237{: external}, CVE-2018-6485{: external}, CVE-2019-19126{: external}, CVE-2019-9169{: external}, CVE-2020-0543{: external}, CVE-2020-10029{: external}, CVE-2020-10711{: external}, CVE-2020-13143{: external}, CVE-2020-1751{: external}, and CVE-2020-1752{: external}.
{: caption="Changes since version 1.18.4_1518" caption-side="bottom"}

Change log for worker node fix pack 1.18.4_1518, released 6 July 2020

{: #1184_1518}

The following table shows the changes that are in the worker node fix pack 1.18.4_1518. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
HA proxy 1.8.25-30b675 2.0.15-afe432 See the HA proxy change log{: external}.
Ubuntu 18.04 packages 4.15.0-106-generic 4.15.0-109-generic Updated worker node images with kernel and package updates for CVE-2019-12380{: external}, CVE-2019-16089{: external}, CVE-2019-19036{: external}, CVE-2019-19039{: external}, CVE-2019-19318{: external}, CVE-2019-19642{: external}, CVE-2019-19813{: external}, CVE-2019-3689{: external}, CVE-2020-0543{: external}, CVE-2020-10711{: external}, CVE-2020-13143{: external}, CVE-2020-8177{: external}, CVE-2019-19377{: external}, and CVE-2019-19816{: external}.
Ubuntu 16.04 packages N/A N/A Updated worker node images with package updates for CVE-2019-3689{: external} and CVE-2020-8177{: external}.
Worker node drain automation N/A N/A Fixes a race condition that can cause worker node drain automation to fail.
{: caption="Changes since version 1.18.4_1517" caption-side="bottom"}

Change log for 1.18.4_1517, released 22 June 2020

{: #1184_1517}

The following table shows the changes that are in the master and worker node update 1.18.4_1517. Master patch updates are applied automatically. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. For more information, see Update types. {: shortdesc}

Component Location Previous Current Description
Calico Master v3.13.3 v3.13.4 See the Calico release notes{: external}. The master update resolves CVE-2020-13597 (see the IBM security bulletin{: external}).
Cluster health image Master v1.1.5 v1.1.8 Additional status information is included when an add-on health state is critical. Improved performance when handling cluster status updates.
Cluster master operations Master N/A N/A Cluster master operations such as refresh or update are now canceled if a broken Kubernetes admission webhook{: external} is detected.
etcd Master v3.4.7 v3.4.9 See the etcd release notes{: external}.
GPU device plug-in and installer Master b9a418c 2bcf8e4 Updated image for CVE-2020-3810{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager Master v1.18.3-1 v1.18.4-1 Updated to support the Kubernetes 1.18.4 release. Updated the version 2.0 private network load balancers (NLBs) to manage Calico global network policies. Updated calicoctl version to 3.13.4.
{{site.data.keyword.filestorage_full_notm}} plug-in Master 373 375 Fixed a bug that might cause error handling to create additional persistent volumes.
{{site.data.keyword.cloud_notm}} RBAC operator Master N/A 08ce50e New!: Added a control plane operator to synchronize {{site.data.keyword.cloud_notm}} Identity and Access Management (IAM) service access roles with Kubernetes role-based access control (RBAC) roles.
Kubernetes Both v1.18.3 v1.18.4 See the Kubernetes release notes{: external}. The master update resolves CVE-2020-8558 (see the IBM security bulletin{: external}).
Kubernetes configuration Master N/A N/A The Kubernetes API server audit policy configuration is updated to include auditing the apiextensions.k8s.io API group and the persistentvolumeclaims and persistentvolumes resources. Additionally, the http2-max-streams-per-connection option is set to 1000 to mitigate network disruption impacts on the kubelet connection to the API server.
Kubernetes Dashboard Master v2.0.0 v2.0.1 See the Kubernetes Dashboard release notes{: external}.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider Master 211 223 Improved startup performance of version 2.0 private network load balancers (NLBs).
Ubuntu 18.04 packages Worker 4.15.0-101-generic 4.15.0-106-generic Updated worker node images with kernel and package updates for CVE-2018-8740{: external}, CVE-2019-17023{: external}, CVE-2020-0543{: external}, CVE-2020-12049{: external}, CVE-2020-12399{: external}, CVE-2020-13434{: external}, CVE-2020-13630{: external}, and CVE-2020-13632{: external}.
Ubuntu 16.04 packages Worker 4.4.0-179-generic 4.4.0-184-generic Updated worker node images with package and kernel updates for CVE-2020-12049{: external}, CVE-2020-0543{: external}, CVE-2020-12769{: external}, CVE-2020-1749{: external}, CVE-2020-13434{: external}, CVE-2020-13630{: external}, andCVE-2020-13632{: external}.
{: caption="Changes since version 1.18.3_1515" caption-side="bottom"}

Change log for worker node fix pack 1.18.3_1515, released 8 June 2020

{: #1183_1515}

The following table shows the changes that are in the worker node fix pack 1.18.3_1515. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. {: shortdesc}

Component Previous Current Description
Ubuntu 18.04 packages N/A N/A Updated worker node images with package updates for CVE-2019-1547{: external}, CVE-2019-1549{: external}, CVE-2019-1551{: external}, CVE-2019-1563{: external}, and CVE-2020-12762{: external}.
Ubuntu 16.04 packages 4.4.0-178-generic 4.4.0-179-generic Updated worker node images with package and kernel updates for CVE-2019-1547{: external}, CVE-2019-1551{: external}, CVE-2019-1563{: external}, and CVE-2020-12762{: external}.
{: caption="Changes since version 1.18.3_1514" caption-side="bottom"}

Change log for 1.18.3_1514, released 26 May 2020

{: #1183_1514}

The following table shows the changes that are in the master and worker node update 1.18.3_1514. Master patch updates are applied automatically. Worker node patch updates can be applied by updating, reloading (in classic infrastructure), or replacing (in VPC infrastructure) the worker node. For more information, see Update types. {: shortdesc}

Component Location Previous Current Description
IBM Calico extension Master 349 353 Skips creating a Calico host endpoint when no endpoint is needed.
{{site.data.keyword.cloud_notm}} Controller Manager Master v1.18.2-3 v1.18.3-1 Updated to support the Kubernetes 1.18.3 release.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor Master 371 373 Image updated for CVE-2020-11655{: external}.
Kubernetes Both v1.18.2 v1.18.3 See the Kubernetes release notes{: external}.
Kubernetes Metrics Server Master N/A N/A Increased the CPU per node for the metrics-server container to improve availability of the metrics server API service for large clusters.
Kubernetes NodeLocal DNS cache Master 1.15.12 1.15.13 See the Kubernetes NodeLocal DNS cache release notes{: external}. Updated the node-local-dns daemon set to include the prometheus.io/port and prometheus.io/scrape annotations on the pods.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider Master 207 211 Updated the version 2.0 network load balancers (NLB) to clean up unnecessary IPVS rules.
Ubuntu 18.04 packages Worker 4.15.0-99-generic 4.15.0-101-generic Updated worker node images with kernel and package updates for CVE-2019-20795{: external}, CVE-2020-11494{: external}, CVE-2020-12762{: external}, CVE-2020-3810{: external}, CVE-2020-8616{: external}, and CVE-2020-8617{: external}.
Ubuntu 16.04 packages Worker 4.4.0-178-generic 4.4.0-179-generic Updated worker node images with package and kernel updates for CVE-2019-19060{: external}, CVE-2020-11494{: external}, CVE-2020-11608{: external}, CVE-2020-12762{: external}, CVE-2020-3810{: external}, CVE-2020-8616{: external}, and CVE-2020-8617{: external}.
{: caption="Changes since version 1.18.2_1512" caption-side="bottom"}

Change log for 1.18.2_1512, released 11 May 2020

{: #1182_1512}

The following table shows the changes that are in patch update 1.18.2_1512. If you update your cluster from Kubernetes 1.17, review the preparation actions. {: shortdesc}

Component Previous Current Description
Calico v3.12.1 v3.13.3 See the Calico release notes{: external}.
Cluster health image v1.1.1 v1.1.4 When cluster add-ons don't support the current cluster version, a warning is now returned in the cluster health state.
CoreDNS configuration N/A N/A To improve cluster DNS availability, CoreDNS pods now prefer evenly distributed scheduling{: external} across worker nodes and zones.
etcd v3.4.3 v3.4.7 See the etcd release notes{: external}).
Gateway-enabled cluster controller 1045 1082 Updated image for CVE-2020-1967{: external}.
GPU device plug-in and installer 8c6538f b9a418c Updated image for CVE-2020-1967{: external}.
IBM Calico extension 320 349 Updated image for CVE-2020-1967{: external}.
{{site.data.keyword.cloud_notm}} Controller Manager v1.17.5-1 v1.18.2-3 Updated to support the Kubernetes 1.18.2 release and to use calicoctl version 3.13.3. Updated network load balancer (NLB) events to use the latest {{site.data.keyword.cloud_notm}} troubleshooting documentation.
{{site.data.keyword.filestorage_full_notm}} plug-in and monitor 358 371 Updated image for CVE-2020-1967{: external}.
Kubernetes v1.17.5 v1.18.2 See the Kubernetes release notes{: external}. The master update resolves CVE-2020-8555 (see the IBM security bulletin{: external}).
Kubernetes admission controllers configuration N/A N/A Added CertificateApproval, CertificateSigning, CertificateSubjectRestriction and DefaultIngressClass to the --enable-admission-plugins option for the cluster's Kubernetes API server.
Kubernetes configuration N/A N/A Removed batch/v2alpha1=true from the --runtime-config option for the cluster's Kubernetes API server.
Kubernetes Dashboard v2.0.0-rc7 v2.0.0 See the Kubernetes Dashboard release notes{: external}.
Kubernetes NodeLocal DNS cache 1.15.8 1.15.12 \n - See the Kubernetes NodeLocal DNS cache release notes{: external}. \n - NodeLocal DNS cache is now generally available, but still disabled by default. \n - In Kubernetes 1.18, you might also use zone-aware DNS instead of just NodeLocal DNS cache, to increase DNS performance and availability in a multizone cluster.
Load balancer and load balancer monitor for {{site.data.keyword.cloud_notm}} Provider 177 207 Improved application logging. Updated image for CVE-2020-1967{: external}.
Pause container image 3.1 3.2 See the pause container image release notes{: external}.
{: caption="Changes since version 1.17.5_1523" caption-side="bottom"}