GLSA 202405-23: U-Boot tools: double free vulnerability

http://security.gentoo.org/

Severity:	normal
Title:	U-Boot tools: double free vulnerability
Date:	05/08/2024
Bugs:	#717000
ID:	202405-23

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	Architecture(s)
dev-embedded/u-boot-tools	< 2020.04	>= 2020.04	All supported architectures

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

CVE-2020-8432

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202405-23.xml

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.