Ubuntu Update for nova USN-1663-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1663-1
Solution
Please Install the Updated Packages.
Insight
Eric Windisch discovered that Nova did not properly clear LVM-backed images before they were reallocated which could potentially lead to an information leak. This issue only affected setups using libvirt LVM-backed instances.
Affected
nova on Ubuntu 12.10