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Advisory severityMedium5.3Red Hat Linux

Medium [CVE-2026-59676] Arbitrary file deletion via TOCTOU race condition in seunshare

This medium-severity Red Hat Linux advisory covers CVE-2026-59676 affecting Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-59676 Source published Source updated

VulniPulse record published Record updated

CVE-2026-59676
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10.

Removing critical system files can cause denial of service; integrity impact is limited to unauthorized deletion. Attack complexity is high.

Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H). Weakness: CWE-367.

Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat fixing advisory: RHSA-2026:44343.

Affected products named by the advisory: Red Hat package: policycoreutils.

Affected versions
  • 3.10

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions
  • policycoreutils-main-3.11-2.1.hum1
  • RHSA-2026:44343

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

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