What vulnerability does USN-6073-5 fix?

USN-6073-5 fixes a regression in Nova that caused inability to detach volumes from instances.

What version of python3-nova is affected by USN-6073-5?

Version 2:21.2.4-0ubuntu2.4 of python3-nova is affected by USN-6073-5.

How do I fix the regression in Nova?

To fix the regression in Nova, update to version 2:21.2.4-0ubuntu2.4 of python3-nova.

Where can I find more information about USN-6073-5?

More information about USN-6073-5 can be found at the following references: [Link 1](https://launchpad.net/bugs/2019460), [Link 2](https://launchpad.net/ubuntu/+source/nova/2:21.2.4-0ubuntu2.4), [Link 3](https://ubuntu.com/security/notices/USN-6073-5).

Vulnerability/
USN-6073-5

14/5/2023

USN-6073-5: Nova regression

First published: Sun May 14 2023(Updated: )

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

Affected Software	Affected Version	How to fix
All of
ubuntu/python3-nova	<2:21.2.4-0ubuntu2.4	2:21.2.4-0ubuntu2.4
	=20.04

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Frequently Asked Questions

What vulnerability does USN-6073-5 fix?
USN-6073-5 fixes a regression in Nova that caused inability to detach volumes from instances.
What was fixed in USN-6073-3?
USN-6073-3 fixed a vulnerability in Nova.
What version of python3-nova is affected by USN-6073-5?
Version 2:21.2.4-0ubuntu2.4 of python3-nova is affected by USN-6073-5.
How do I fix the regression in Nova?
To fix the regression in Nova, update to version 2:21.2.4-0ubuntu2.4 of python3-nova.
Where can I find more information about USN-6073-5?
More information about USN-6073-5 can be found at the following references: [Link 1](https://launchpad.net/bugs/2019460), [Link 2](https://launchpad.net/ubuntu/+source/nova/2:21.2.4-0ubuntu2.4), [Link 3](https://ubuntu.com/security/notices/USN-6073-5).

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