Which CVE IDs does RHSA-2026:36533 cover?

RHSA-2026:36533 covers the following CVE IDs: CVE-2026-23401, CVE-2026-31402, CVE-2026-31419. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:36533?

RHSA-2026:36533 has a CVSS v3 base score of 8.1, published by Red Hat Product Security.

Which products are affected by RHSA-2026:36533?

RHSA-2026:36533 affects 36 products, including: Red Hat Enterprise Linux BaseOS E4S (v.9.4); kpatch-patch-5_14_0-427_100_1-0:1-8.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4); kpatch-patch-5_14_0-427_100_1-0:1-8.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4); kpatch-patch-5_14_0-427_100_1-0:1-8.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-0:1-8.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4); and others — see the full list on the advisory page.

RHSA-2026:36533HighCVSS 8.1

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

Vendor

Red Hat Product Security

Published

July 8, 2026

Last Modified

October 16, 2026

🔗 CVE IDs covered (3)

CVE-2026-23401 →CVE-2026-31402 →CVE-2026-31419 →

📋 Description

CVE-2026-23401 — kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31419 — kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service

🎯 Affected products36

Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_100_1-0:1-8.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_100_1-0:1-8.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_100_1-0:1-8.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-0:1-8.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-0:1-8.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-0:1-8.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-0:1-8.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_113_1-0:1-6.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_113_1-0:1-6.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_113_1-0:1-6.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-0:1-6.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-0:1-6.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-0:1-6.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-0:1-6.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_126_1-0:1-3.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_126_1-0:1-3.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_126_1-0:1-3.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-0:1-3.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-0:1-3.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-0:1-3.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-0:1-3.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_68_2-0:1-15.el9_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_68_2-0:1-15.el9_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_68_2-0:1-15.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-0:1-15.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-0:1-15.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-0:1-15.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-0:1-15.el9_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.4)
kpatch-patch-5_14_0-427_84_1-0:1-10.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: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 CVE IDs covered (3)

📋 Description

🎯 Affected products36

✅ Remediation

🔗 References (6)