Red Hat Security Advisory

RHSA-2026:33220

kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_53_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update

Released 2026-06-29 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-553_109_1-1-5.el8_10, kpatch-patch-4_18_0-553_125_1-1-2.el8_10, kpatch-patch-4_18_0-553_53_1-1-12.el8_10 +2

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-2026-33964 CVE-2026-46243 · GHSA-3mg7-pfmq-9qfv

smb: client: reject userspace cifs.spnego descriptions

HIGH 69

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upca…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00413 Published 2026-06-01 Fixed in 5.10.258, 5.15.209 +6 CWE-20