Ubuntu Security Notice 1663-1 - 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.
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Ubuntu Security Notice USN-1663-1
December 12, 2012
nova vulnerability
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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