Red Hat Security Advisory

RHSA-2026:29799

OpenShift Container Platform 4.20.27 bug fix and security update

Released 2026-06-30 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.20 rhcos-aarch64-4.20.9.6.202606241928-0, rhcos-ppc64le-4.20.9.6.202606241928-0, rhcos-s390x-4.20.9.6.202606241928-0 +1

Fixes 2 records

TI-2026-34052 CVE-2026-46331 · GHSA-cr2w-747q-47qc

net/sched: fix pedit partial COW leading to page cache corruption

HIGH 69

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key l…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00639 Published 2026-06-16 Fixed in 5.10.260, 5.15.211 +9 CWE-190

TI-2026-03832 CVE-2026-4408 · GHSA-jg8v-92xc-cx65

Samba: remote code execution in samr

MEDIUM 48

A flaw was found in Samba.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02501 Published 2026-05-28 Partial fix · 4.23.5-109.el10_2, 4.21.3-114.el10_0.1 +19 CWE-78