A Nova security update has been released for Debian GNU/Linux 11 to address a missing input sanitization issue in the handling of VMDK images.

DSA 5337-1: nova security update

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Debian Security Advisory DSA-5337-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
February 01, 2023   https://www.debian.org/security/faq
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Package : nova
CVE ID : CVE-2022-47951
Debian Bug : 1029561

Guillaume Espanel, Pierre Libeau, Arnaud Morin and Damien Rannou
discovered that missing input sanitising in the handling of VMDK images
in OpenStack Compute (codenamed Nova) may result in information
disclosure.

For the stable distribution (bullseye), this problem has been fixed in
version 2:22.0.1-2+deb11u1.

We recommend that you upgrade your nova packages.

For the detailed security status of nova please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/nova

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/