Articles / Ubuntu: Security update for...

Ubuntu: Security update for Nova

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.

Updated packages are available from security.ubuntu.com.

==========================================================================
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
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