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systemd, when updating file permissions, allows local...

Low severity Unreviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jun 9, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.

References

Published by the National Vulnerability Database Oct 28, 2013
Published to the GitHub Advisory Database May 13, 2022
Last updated Jun 9, 2025

Severity

Low

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(21st percentile)

Weaknesses

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Learn more on MITRE.

CVE ID

CVE-2013-4392

GHSA ID

GHSA-r4xg-5wrj-c7g3

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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