Memory leak in the keyctl_join_session_keyring function (security/keys/keyctl.c) in Linux kernel 2.6.29-rc2 and earlier allows local users to cause a denial of service (kernel memory consumption) via unknown vectors related to a "missing kfree."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11386
http://www.ubuntu.com/usn/usn-751-1
http://www.redhat.com/support/errata/RHSA-2009-0360.html
http://www.redhat.com/support/errata/RHSA-2009-0331.html
http://www.openwall.com/lists/oss-security/2009/01/19/4
http://www.debian.org/security/2009/dsa-1794
http://www.debian.org/security/2009/dsa-1787
http://www.debian.org/security/2009/dsa-1749
http://support.avaya.com/elmodocs2/security/ASA-2009-114.htm
http://secunia.com/advisories/35011
http://secunia.com/advisories/34981
http://secunia.com/advisories/34762
http://secunia.com/advisories/34502
http://secunia.com/advisories/34394
http://secunia.com/advisories/34252
http://secunia.com/advisories/33858
http://rhn.redhat.com/errata/RHSA-2009-0264.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html