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.
https://ubuntu.com/security/notices/USN-6073-8
https://ubuntu.com/security/notices/USN-6073-1
https://bugs.launchpad.net/ubuntu/+source/nova/+bug/2020111
https://launchpad.net/ubuntu/+source/nova/3:27.0.0-0ubuntu1.2 https://launchpad.net/ubuntu/+source/nova/3:26.1.0-0ubuntu2.2 https://launchpad.net/ubuntu/+source/nova/3:25.1.0-0ubuntu2.2 https://launchpad.net/ubuntu/+source/nova/2:21.2.4-0ubuntu2.5
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