kernel is vulnerable to privilege escalation. A flaw was found in the way the Linux kernel handled robust list pointers of user-space held futexes across exec() calls. A local, unprivileged user could use this flaw to cause a denial of service or, eventually, escalate their privileges.
ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8141c7f3e7aee618312fa1c15109e1219de784a7
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8141c7f3e7aee618312fa1c15109e1219de784a7
www.openwall.com/lists/oss-security/2012/05/08/1
access.redhat.com/errata/RHSA-2012:0107
access.redhat.com/kb/docs/DOC-67874
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=771764
github.com/torvalds/linux/commit/8141c7f3e7aee618312fa1c15109e1219de784a7