RHSA-2026:33223HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

Published
June 29, 2026
Last Modified
August 6, 2026

🔗 CVE IDs covered (2)

📋 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 EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-0:1-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-0:1-2.el9_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-0:1-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-debuginfo-0:1-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-debuginfo-0:1-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-debugsource-0:1-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_116_1-debugsource-0:1-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-0:1-17.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-0:1-17.el9_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-0:1-17.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-debuginfo-0:1-17.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-debuginfo-0:1-17.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-debugsource-0:1-17.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_17_1-debugsource-0:1-17.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-0:1-8.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-0:1-8.el9_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-0:1-8.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-debuginfo-0:1-8.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-debuginfo-0:1-8.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-debugsource-0:1-8.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_39_1-debugsource-0:1-8.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-0:1-7.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-0:1-7.el9_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-0:1-7.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-debuginfo-0:1-7.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-debuginfo-0:1-7.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-debugsource-0:1-7.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_66_1-debugsource-0:1-7.el9_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • kpatch-patch-5_14_0-570_94_1-0:1-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • +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)