Solaris 2.5.1 through 9 allows local users to cause a denial of service (kernel panic) by setting the sd_struiowrq variable in the struioget function to null, which triggers a null dereference.

References

• https://nvd.nist.gov/vuln/detail/CVE-2002-1586
• https://exchange.xforce.ibmcloud.com/vulnerabilities/10769
• http://securitytracker.com/id?1005742
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-48267-1
• http://www.securityfocus.com/bid/6309