Ubuntu Security Notice USN-1663-1
12th December, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
Nova could be made to expose sensitive information.
- nova - OpenStack Compute cloud infrastructure
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.
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.