RHSA-2026:33222HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_68_2, and kpatch-patch-5_14_0-427_84_1 security update

Published
June 29, 2026
Last Modified
August 6, 2026

🔗 CVE IDs covered (2)

CVE-2026-46243 →CVE-2026-46331 →

📋 Description

CVE-2026-46243 — kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46331 — kernel: net/sched: act_pedit: extend the writable skb range per key

🎯 Affected products36

  • Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-0:1-7.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-0:1-7.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-0:1-7.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-7.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-7.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-debugsource-0:1-7.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_100_1-debugsource-0:1-7.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-0:1-5.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-0:1-5.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-0:1-5.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-5.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-5.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-debugsource-0:1-5.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_113_1-debugsource-0:1-5.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-0:1-2.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-0:1-2.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-0:1-2.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-2.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-2.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-debugsource-0:1-2.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_126_1-debugsource-0:1-2.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-0:1-14.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-0:1-14.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-0:1-14.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-14.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-14.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-debugsource-0:1-14.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_68_2-debugsource-0:1-14.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • kpatch-patch-5_14_0-427_84_1-0:1-9.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
  • +6 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: See the security bulletin for a detailed mitigation procedure.

🔗 References (5)