CVE-2008-1940

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-04-25 · updated 2026-06-16
Weakness: CWE-264

Description

The RBAC functionality in grsecurity before 2.1.11-2.6.24.5 and 2.1.11-2.4.36.2 does not enforce user_transition_deny and user_transition_allow rules for the (1) sys_setfsuid and (2) sys_setfsgid calls, which allows local users to bypass restrictions for those calls.

Affected products

Grsecurity Kernel Patch: 2.4.33, 2.4.33.2, 2.4.33.3, 2.4.33.4, 2.4.34, 2.6.18 (+1)

References

http://secunia.com/advisories/29899
http://www.grsecurity.org/news.php#grsec21113
http://www.securityfocus.com/bid/28889
http://www.securitytracker.com/id?1019919
http://www.vupen.com/english/advisories/2008/1323/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41952
http://secunia.com/advisories/29899
http://www.grsecurity.org/news.php#grsec21113
http://www.securityfocus.com/bid/28889
http://www.securitytracker.com/id?1019919
http://www.vupen.com/english/advisories/2008/1323/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41952

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