A pcs security update has been released for Debian GNU/Linux 11 to address two security issues.

DSA 5226-1: pcs security update

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Debian Security Advisory DSA-5226-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
September 06, 2022   https://www.debian.org/security/faq
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Package : pcs
CVE ID : CVE-2022-1049 CVE-2022-2735
Debian Bug : 1018930

Two security issues were discovered in pcs, a corosync and pacemaker
configuration tool:

CVE-2022-1049

It was discovered that expired accounts were still able to login
via PAM.

CVE-2022-2735

Ondrej Mular discovered that incorrect permissions on a Unix socket
setup for internal communication could result in privilege escalation.

For the stable distribution (bullseye), these problems have been fixed in
version 0.10.8-1+deb11u1.

We recommend that you upgrade your pcs packages.

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

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/