Threats Tagged 'cve-2026-19079'
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Threats Tagged 'cve-2026-19079'
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CVE-2026-19079: Time-of-check Time-of-use (TOCTOU) Race Condition in Red Hat Red Hat Enterprise Linux 10CVE-2026-19079 0 CVE-2026-19079 is a Time-of-Check-Time-of-Use (TOCTOU) race condition vulnerability in the fixfiles script of policycoreutils on Red Hat Enterprise Linux 10. The vulnerability arises when fixfiles relabel or restore commands use find and chcon to relabel unlabeled files, allowing a local attacker to exploit a race window by swapping directory components with symlinks. This can cause SELinux labels on arbitrary system files, including critical files like /etc/shadow, to be modified, potentially undermining SELinux protections. The attack requires local access, winning a race condition, and an administrator running the fixfiles commands, limiting practical attack surface. A workaround is to use 'restorecon -R /' instead of fixfiles commands to avoid the vulnerable code path. Red Hat is analyzing affected versions and whether backporting fixes is necessary. Join the discussion | CVE Database V5 | 08/07/2026, 07:21:55 UTC Added: 08/07/2026, 07:41:50 UTC |
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