Which CVE IDs does RHSA-2026:81523 cover?

RHSA-2026:81523 covers the following CVE IDs: CVE-2026-46181, CVE-2026-64002. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:81523?

RHSA-2026:81523 has a CVSS v3 base score of 7.0, published by Red Hat Product Security.

Which products are affected by RHSA-2026:81523?

RHSA-2026:81523 affects 36 products, including: Red Hat Enterprise Linux BaseOS (v. 8); kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8); kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8); kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8); kpatch-patch-4_18_0-553_109_1-debuginfo-0:1-13.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8); and others — see the full list on the advisory page.

RHSA-2026:81523HighCVSS 7.0

Red Hat Security Advisory: kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_158_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update

Vendor

Red Hat Product Security

Published

October 12, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (2)

CVE-2026-46181 →CVE-2026-64002 →

📋 Description

CVE-2026-46181 — kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() CVE-2026-64002 — kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

🎯 Affected products36

Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-0:1-13.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-debuginfo-0:1-13.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-debuginfo-0:1-13.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-debugsource-0:1-13.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_109_1-debugsource-0:1-13.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-0:1-10.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-0:1-10.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-0:1-10.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-debuginfo-0:1-10.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-debuginfo-0:1-10.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-debugsource-0:1-10.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_125_1-debugsource-0:1-10.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-0:1-2.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-0:1-2.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-0:1-2.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-debuginfo-0:1-2.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-debuginfo-0:1-2.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-debugsource-0:1-2.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_158_1-debugsource-0:1-2.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-0:1-17.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-0:1-17.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-0:1-17.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-debuginfo-0:1-17.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-debuginfo-0:1-17.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-debugsource-0:1-17.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_72_1-debugsource-0:1-17.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
kpatch-patch-4_18_0-553_85_1-0:1-15.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
+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

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products36

✅ Remediation

🔗 References (5)