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[gentoo-announce] [ GLSA 202401-30 ] X.Org X Server, XWayland: Multiple Vulnerabilities

Posted on 31 January 2024
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202401-30
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https://security.gentoo.org/
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Severity: Normal
Title: X.Org X Server, XWayland: Multiple Vulnerabilities
Date: January 31, 2024
Bugs: #916254, #919803, #922395
ID: 202401-30

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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
-------------------- ------------ ------------
x11-base/xorg-server < 21.1.11 >= 21.1.11
x11-base/xwayland < 23.2.4 >= 23.2.4

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
==========
[ 1 ] CVE-2023-5367
https://nvd.nist.gov/vuln/detail/CVE-2023-5367
[ 2 ] CVE-2023-5380
https://nvd.nist.gov/vuln/detail/CVE-2023-5380
[ 3 ] CVE-2023-6377
https://nvd.nist.gov/vuln/detail/CVE-2023-6377
[ 4 ] CVE-2023-6478
https://nvd.nist.gov/vuln/detail/CVE-2023-6478
[ 5 ] CVE-2023-6816
https://nvd.nist.gov/vuln/detail/CVE-2023-6816
[ 6 ] CVE-2024-0229
https://nvd.nist.gov/vuln/detail/CVE-2024-0229
[ 7 ] CVE-2024-0408
https://nvd.nist.gov/vuln/detail/CVE-2024-0408
[ 8 ] CVE-2024-0409
https://nvd.nist.gov/vuln/detail/CVE-2024-0409
[ 9 ] CVE-2024-21885
https://nvd.nist.gov/vuln/detail/CVE-2024-21885
[ 10 ] CVE-2024-21886
https://nvd.nist.gov/vuln/detail/CVE-2024-21886

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202401-30

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.

License
=======
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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