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CVE-2008-1940 - Pulverisable Magellanic Penguin

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.

Reference

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