Red Hat has issued an update for the kernel. This fixes some vulnerabilities, which can be exploited malicious, local users to cause a DoS (Denial of Service) and gain knowledge of potentially sensitive information, and by malicious people to cause a DoS (Denial of Service).

For more information:
SA13339
SA16355
SA17504
SA16494
SA16897
SA14295
SA15786
SA18216
SA17786
SA16969

Note: An error in IGMP which allows local users to cause a DoS via an IGMP membership report sent to a target's Ethernet address instead of the Multicast group address has also been fixed.

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

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers