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Gentoo Linux Security Advisory                           GLSA 202305-29
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: squashfs-tools: Multiple Vulnerabilities
     Date: May 30, 2023
     Bugs: #810706, #813654
       ID: 202305-29

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Synopsis
=======
Multiple vulnerabilities have been discovered in squashfs-tools, the
worst of which can result in an arbitrary file write.

Background
=========
Squashfs is a compressed read-only filesystem for Linux. Squashfs is
intended for general read-only filesystem use, for archival use (i.e. in
cases where a .tar.gz file may be used), and in constrained block
device/memory systems (e.g. embedded systems) where low overhead is
needed.

Affected packages
================
Package                Vulnerable       Unaffected
---------------------  ---------------  ----------------
sys-fs/squashfs-tools  < 4.5_p20210914  >= 4.5_p20210914

Description
==========
Multiple vulnerabilities have been discovered in squashfs-tools. 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 squashfs-tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-fs/squashfs-tools-4.5_p20210914"

References
=========
[ 1 ] CVE-2021-40153
      https://nvd.nist.gov/vuln/detail/CVE-2021-40153
[ 2 ] CVE-2021-41072
      https://nvd.nist.gov/vuln/detail/CVE-2021-41072

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

 https://security.gentoo.org/glsa/202305-29

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