Looks like OpenVZ just released an update for the RHEL6 kernel to address a serious security vulnerability:
OpenVZ project released an updated RHEL6 based kernel.
Read below for more information.
*This kernel contains an important security fix, an immediate update is highly recommended*
Changes and Download
====================
* Security fix (CVE-2014-9322)
https://openvz.org/Download/kernel/rhel6/042stab094.8