Medium6.3Red Hat Linux

Medium [CVE-2026-54370] TOCTOU Symlink Traversal via getfacl/setfacl

This medium-severity Red Hat Linux advisory covers CVE-2026-54370.

CVE-2026-54370 Published Jun 29, 2026Updated by vendor Jun 29, 2026

CVE-2026-54370

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

TOCTOU Symlink Traversal via getfacl/setfacl. Red Hat rates this moderate (CVSS 6.3).

Weakness: CWE-367. Red Hat lists fixing advisory RHSA-2026:34351 with package acl-main-2.4.0-0.1.hum1.

Affected versions

acl-main-2.4.0-0.1.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

acl-main-2.4.0-0.1.hum1
RHSA-2026:34351

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:34351 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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