Red Hat has issued an update for the kernel. This fixes some vulnerabilities, which can be exploited by malicious, local users and malicious, local users in a guest virtual machine to gain escalated privileges and by malicious, local users and malicious people to cause a DoS (Denial of Service).

For more information:
SA46489
SA47296
SA47472

1) An error within the "exit_robust_list()" function does not properly clear the "robust_list" before making a call to the "execve()" function, which can be exploited to gain escalated privileges.

Solution
Updated packages are available via Red Hat Network.
Further details available to Secunia VIM customers

Provided and/or discovered by
1) Petr Matousek in a Red Hat bug.

Original Advisory
RHSA-2012:0107-1:
https://rhn.redhat.com/errata/RHSA-2012-0107.html

https://bugzilla.redhat.com/show_bug.cgi?id=771764

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers