HP-UX 11.11 and earlier allows local users to cause a denial of service (kernel deadlock), due to a "file system weakness" that is possibly via an mmap() system call and performing an I/O operation using data from the mapped buffer on the file descriptor for the mapped file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2002-1668
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7844
• http://www.securityfocus.com/advisories/3770
• http://www.securityfocus.com/bid/3817