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Gentoo: GLSA-202405-23 Normal: U-Boot Tools Double Free Code Execution

gentoo
Calendar Grey May 8, 2024
Dist Gentoo Esm H88
A serious vulnerability has been identified in the U-Boot utilities on Gentoo, posing a risk of inadvertent code execution. Immediate upgrade necessary.
A vulnerability has been discovered in U-Boot tools which can lead to execution of arbitary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo code execution arbitrary code double free normal severity u-boot tools

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
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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.

Severity: Normal
Title: U-Boot tools: double free vulnerability
Date: May 08, 2024
Bugs: #717000
ID: 202405-23

Topics%20covered

Topics Covered

security advisory gentoo code execution arbitrary code double free normal severity u-boot tools

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.

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Affected Packages

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

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.

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