Ubuntu 23.04 USN-6073-3 Critical: Nova Information Exposure

ubuntu

May 11, 2023

Nova could be made to expose sensitive information.

Summary

Nova could be made to expose sensitive information.

Software Description:

- nova: OpenStack Compute cloud infrastructure

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:

Topics Covered

security advisory critical software update authentication issue information exposure ubuntu nova

Update Instructions

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

Ubuntu 23.04:
   python3-nova                    3:27.0.0-0ubuntu1.1

Ubuntu 22.10:
   python3-nova                    3:26.1.0-0ubuntu2.1

Ubuntu 22.04 LTS:
   python3-nova                    3:25.1.0-0ubuntu2.1

Ubuntu 20.04 LTS:
   python3-nova                    2:21.2.4-0ubuntu2.3

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