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Gentoo Linux Security Advisory                           GLSA 202405-23
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: U-Boot tools: double free vulnerability
     Date: May 08, 2024
     Bugs: #717000
       ID: 202405-23

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Synopsis
========

A vulnerability has been discovered in U-Boot tools which can lead to
execution of arbitary code.

Background
==========

U-Boot tools provides utiiities for working with Das U-Boot.

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

Package                    Vulnerable    Unaffected
-------------------------  ------------  ------------
dev-embedded/u-boot-tools  < 2020.04     >= 2020.04

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

A vulnerability has been discovered in U-Boot tools. Please review the
CVE identifier referenced below for details.

Impact
======

In Das U-Boot a double free has been found in the cmd/gpt.c
do_rename_gpt_parts() function. Double freeing may result in a write-
what-where condition, allowing an attacker to execute arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All U-Boot tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-embedded/u-boot-tools-2020.04"

References
==========

[ 1 ] CVE-2020-8432
      https://nvd.nist.gov/vuln/detail/CVE-2020-8432

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

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

 https://security.gentoo.org/glsa/202405-23

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