Ubuntu 23.04 USN-6073-6 Critical: Cinder Regression Access Issue

ubuntu

May 23, 2023

USN-6073-1 introduced a regression in Cinder.

Summary

USN-6073-1 introduced a regression in Cinder.

Software Description:

- cinder: OpenStack storage service

Details:

USN-6073-1 fixed a vulnerability in Cinder. 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 Cinder 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 access control ubuntu regression severity cinder storage service

Update Instructions

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

Ubuntu 23.04:
   python3-cinder                  2:22.0.0-0ubuntu1.2

Ubuntu 22.10:
   python3-cinder                  2:21.1.0-0ubuntu2.2

Ubuntu 22.04 LTS:
   python3-cinder                  2:20.1.0-0ubuntu2.2

Ubuntu 20.04 LTS:
   python3-cinder                  2:16.4.2-0ubuntu2.4

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