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Gentoo Linux Security Advisory                           GLSA 202210-30
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                                           https://security.gentoo.org/
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 Severity: High
    Title: X.Org X server, XWayland: Multiple Vulnerabilities
     Date: October 31, 2022
     Bugs: #857780
       ID: 202210-30

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Synopsis
========

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

Background
==========

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

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-base/xorg-server       < 21.1.4                    >= 21.1.4
  2  x11-base/xwayland          < 22.1.3                    >= 22.1.3

Description
===========

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

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

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

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-21.1.4"

All XWayland users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-base/xwayland-22.1.3"

References
==========

[ 1 ] CVE-2022-2319
      https://nvd.nist.gov/vuln/detail/CVE-2022-2319
[ 2 ] CVE-2022-2320
      https://nvd.nist.gov/vuln/detail/CVE-2022-2320

Availability
============

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

 https://security.gentoo.org/glsa/202210-30

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 2022 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