OpenVZ has issued an update for the kernel. This fixes two weaknesses and multiple vulnerabilities, which can be exploited by malicious, local users in a guest virtual machine to gain escalated privileges, by malicious, local users to disclose potentially sensitive information, bypass certain security restrictions, cause a DoS (Denial of Service), and potentially gain escalated privileges, and by malicious people to cause a DoS.

For more information:
SA47008
SA47512
SA47967

Solution
Update kernel branch RHEL5 to version 028stab098.1.
Original Advisory
http://wiki.openvz.org/Download/kernel/rhel5/028stab098.1

Other references
Further details available to Secunia VIM customers

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