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.
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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.
- policycoreutils-main-3.11-2.1.hum1
- RHSA-2026:44343
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
- 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 1 day ago·verify at source
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