CVE-2011-4110 Information

Description

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \updating a negative key into a fully instantiated key.\

Reference

http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://secunia.com/advisories/47754 http://www.openwall.com/lists/oss-security/2011/11/21/19 http://www.openwall.com/lists/oss-security/2011/11/22/5 http://www.openwall.com/lists/oss-security/2011/11/22/6 http://www.securityfocus.com/bid/50755 http://www.ubuntu.com/usn/USN-1324-1 http://www.ubuntu.com/usn/USN-1328-1 http://www.ubuntu.com/usn/USN-1344-1 https://bugzilla.redhat.com/show_bug.cgi?id=751297 https://lkml.org/lkml/2011/11/15/363