GLSA 202401-30: X.Org X Server, XWayland: Multiple Vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	X.Org X Server, XWayland: Multiple Vulnerabilities
Date:	01/31/2024
Bugs:	#916254, #919803, #922395
ID:	202401-30

Synopsis

Multiple vulnerabilities have been discovered in the Xorg Server and XWayland, the worst of which can result in privilege escalation or remote code execution.

Background

The X Window System is a graphical windowing system based on a client/server model.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
x11-base/xwayland	< 23.2.4	>= 23.2.4	All supported architectures
x11-base/xorg-server	< 21.1.11	>= 21.1.11	All supported architectures

Description

Multiple vulnerabilities have been discovered in X.Org X Server and XWayland. Please review the CVE identifiers referenced below for details.

Impact

The X server can be crashed by a malicious client, or potentially be compromised for remote code execution in environments with X11 forwarding.

Workaround

Users can ensure no untrusted clients can access the running X implementation.

Resolution

All X.Org X Server users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-21.1.11"

All XWayland users should upgrade to the latest version:


          # emerge --sync
          # emerge --ask --oneshot --verbose ">=x11-base/xwayland-23.2.4"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202401-30.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.