Red Hat Security Advisory

RHSA-2026:83775

kernel security update

Released 2026-10-16 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.149.1.el9_6, libperf-5.14.0-570.149.1.el9_6
Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.149.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.149.1.el9_6, kernel-64k-devel-5.14.0-570.149.1.el9_6 +12
Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.149.1.el9_6, kernel-64k-5.14.0-570.149.1.el9_6, kernel-64k-core-5.14.0-570.149.1.el9_6 +28
Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.149.1.el9_6, kernel-rt-64k-5.14.0-570.149.1.el9_6, kernel-rt-64k-core-5.14.0-570.149.1.el9_6 +21
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.149.1.el9_6, kernel-rt-core-5.14.0-570.149.1.el9_6, kernel-rt-debug-5.14.0-570.149.1.el9_6 +11

Fixes 1 record

TI-2026-68151 CVE-2026-98260 · GHSA-pr95-77xq-3v99

Use-after-free in Linux kernel POSIX timer cleanup during exec

LOW 33

In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after de_thread() A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00185 Published 2026-10-06 Partial fix · 6.1.191, 6.6.158 +4