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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