Ubuntu Security Notice USN-5835-3
January 31, 2023
nova vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
Summary:
Nova could be made to expose sensitive information.
Software Description:
– nova: OpenStack Compute cloud infrastructure
Details:
Guillaume Espanel, Pierre Libeau, Arnaud Morin, and Damien Rannou
discovered that Nova incorrectly handled VMDK image processing. An
authenticated attacker could possibly supply a specially crafted VMDK flat
image and obtain arbitrary files from the server containing sensitive
information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.10:
nova-common 3:26.1.0-0ubuntu1
python3-nova 3:26.1.0-0ubuntu1
Ubuntu 22.04 LTS:
nova-common 3:25.1.0-0ubuntu1
python3-nova 3:25.1.0-0ubuntu1
Ubuntu 20.04 LTS:
nova-common 2:21.2.4-0ubuntu2.1
python3-nova 2:21.2.4-0ubuntu2.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5835-3
https://ubuntu.com/security/notices/USN-5835-1
CVE-2022-47951
Package Information:
https://launchpad.net/ubuntu/+source/nova/3:26.1.0-0ubuntu1
https://launchpad.net/ubuntu/+source/nova/3:25.1.0-0ubuntu1
https://launchpad.net/ubuntu/+source/nova/2:21.2.4-0ubuntu2.1
