For both Debian GNU/Linux 11 and 12, updated packages for Xorg X Server are available. These packages address several vulnerabilities that could lead to privilege escalation in the event that the X server is operating in a privileged or denial of service mode.

[DSA 5657-1] xorg-server security update

[DSA 5657-1] xorg-server security update

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Debian Security Advisory DSA-5657-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
April 12, 2024 https://www.debian.org/security/faq
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Package : xorg-server
CVE ID : CVE-2024-31080 CVE-2024-31081 CVE-2024-31083

Several vulnerabilities were discovered in the Xorg X server, which may
result in privilege escalation if the X server is running privileged
or denial of service.

For the oldstable distribution (bullseye), these problems have been fixed
in version 2:1.20.11-1+deb11u13.

For the stable distribution (bookworm), these problems have been fixed in
version 2:21.1.7-3+deb12u7.

We recommend that you upgrade your xorg-server packages.

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

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/