============================================================================ Ubuntu Security Notice USN-1663-1 December 12, 2012 nova vulnerability ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.10 Summary: Nova could be made to expose sensitive information. Software Description: - nova: OpenStack Compute cloud infrastructure Details: 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: python-nova 2012.2-0ubuntu5.2 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1663-1 CVE-2012-5625 Package Information: https://launchpad.net/ubuntu/+source/nova/2012.2-0ubuntu5.2