Red Hat Security Advisory

RHSA-2026:79153

OpenShift Container Platform 4.21.37 bug fix and security update

Released 2026-10-13 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.21 rhcos-aarch64-4.21.9.6.202610070604-0, rhcos-ppc64le-4.21.9.6.202610070604-0, rhcos-s390x-4.21.9.6.202610070604-0 +1

Fixes 1 record

TI-2026-55857 CVE-2026-80844 · GHSA-jv4j-682x-84w7

xfrm: ah6: validate routing header segments_left

LOW 23

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segments_left AH6 rearranges routing-header addresses before computing or verifying the ICV.

CVSS — EPSS 0.00434 Published 2026-09-04 Partial fix · 5.10.269, 5.15.220 +7