USN-6073-5: Nova regression

Publication date

14 May 2023

Overview

USN-6073-3 introduced a regression in Nova.

Releases


Packages

  • nova - OpenStack Compute cloud infrastructure

Details

USN-6073-3 fixed a vulnerability in Nova. The update introduced a
regression causing Nova to be unable to detach volumes from instances. This
update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Jan Wasilewski and Gorka Eguileor discovered that Nova incorrectly
handled deleted volume attachments. An authenticated user or attacker could
possibly use this issue to gain access to sensitive information.

This update may require configuration changes to be completely effective,
please see the upstream advisory for more information:

https://security.openstack.org/ossa/OSSA-2023-003.html

USN-6073-3 fixed a vulnerability in Nova. The update introduced a
regression causing Nova to be unable to detach volumes from instances. This
update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Jan Wasilewski and Gorka Eguileor discovered that Nova incorrectly
handled deleted volume attachments. An authenticated user or attacker could
possibly use this issue to gain access to sensitive information.

This update may require configuration changes to be completely effective,
please see the upstream advisory for more information:

https://security.openstack.org/ossa/OSSA-2023-003.html

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 LTS focal python3-nova –  2:21.2.4-0ubuntu2.4

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›