Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a6f80fb7b5986fda663d94079d3bba0937a6b6ff
secunia.com/advisories/42890
secunia.com/advisories/46397
support.avaya.com/css/P8/documents/100113326
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
www.mandriva.com/security/advisories?name=MDVSA-2010:172
www.mandriva.com/security/advisories?name=MDVSA-2010:198
www.redhat.com/support/errata/RHSA-2010-0723.html
www.redhat.com/support/errata/RHSA-2011-0007.html
www.securityfocus.com/archive/1/520102/100/0/threaded
www.vmware.com/security/advisories/VMSA-2011-0012.html
bugzilla.redhat.com/show_bug.cgi?id=611385