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

For more information:
SA40205
SA45193

1) An error within the instruction emulator of the Xen hypervisor on SMP systems can be exploited to crash the host system.

Note: This vulnerability only affects systems with both an AMD x86 processor and the AMD Virtualization (AMD-V) extensions enabled.

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

Other references
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Deep Links
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