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Gentoo Linux Security Advisory                           GLSA 202312-12
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Flatpak: Multiple Vulnerabilities
     Date: December 23, 2023
     Bugs: #775365, #816951, #831087, #901507
       ID: 202312-12

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Synopsis
========

Several vulnerabilities have been found in Flatpack, the worst of which
lead to privilege escalation and sandbox escape.

Background
==========

Flatpak is a Linux application sandboxing and distribution framework.

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

Package           Vulnerable    Unaffected
----------------  ------------  ------------
sys-apps/flatpak  < 1.14.4      >= 1.14.4

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

Multiple vulnerabilities have been discovered in Flatpak. 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 Flatpak users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-apps/flatpak-1.14.4"

References
==========

[ 1 ] CVE-2021-21381
      https://nvd.nist.gov/vuln/detail/CVE-2021-21381
[ 2 ] CVE-2021-41133
      https://nvd.nist.gov/vuln/detail/CVE-2021-41133
[ 3 ] CVE-2021-43860
      https://nvd.nist.gov/vuln/detail/CVE-2021-43860
[ 4 ] CVE-2022-21682
      https://nvd.nist.gov/vuln/detail/CVE-2022-21682
[ 5 ] CVE-2023-28100
      https://nvd.nist.gov/vuln/detail/CVE-2023-28100
[ 6 ] CVE-2023-28101
      https://nvd.nist.gov/vuln/detail/CVE-2023-28101
[ 7 ] GHSA-67h7-w3jq-vh4q
[ 8 ] GHSA-xgh4-387p-hqpp

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

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

 https://security.gentoo.org/glsa/202312-12

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 2023 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/