Ubuntu 23.04 USN-6073-8 Critical: Nova Regression Security Issue

ubuntu

May 23, 2023

USN-6073-3 introduced a regression in Nova.

Summary

USN-6073-3 introduced a regression in Nova.

Software Description:

- nova: OpenStack Compute cloud infrastructure

Details:

USN-6073-3 fixed a vulnerability in Nova. Unfortunately the update

introduced a regression with detaching volumes. The security fix has been

removed pending further investigation.

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:

Topics Covered

security advisory critical issue software update ubuntu cloud infrastructure nova regression

Update Instructions

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

Ubuntu 23.04:
   python3-nova                    3:27.0.0-0ubuntu1.2

Ubuntu 22.10:
   python3-nova                    3:26.1.0-0ubuntu2.2

Ubuntu 22.04 LTS:
   python3-nova                    3:25.1.0-0ubuntu2.2

Ubuntu 20.04 LTS:
   python3-nova                    2:21.2.4-0ubuntu2.5

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