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Gentoo Linux Security Advisory 202405-23

Gentoo Linux Security Advisory 202405-23 - A vulnerability has been discovered in U-Boot tools which can lead to execution of arbitrary code. Versions greater than or equal to 2020.04 are affected.

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Gentoo Linux Security Advisory GLSA 202405-23

                                       https://security.gentoo.org/

Severity: Normal
Title: U-Boot tools: double free vulnerability
Date: May 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

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 “>Þv-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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.