Red Hat Security Advisory

RHSA-2026:68131

kernel security update

Released 2026-09-16 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.214.1.el8_6, kernel-4.18.0-372.214.1.el8_6, kernel-abi-stablelists-4.18.0-372.214.1.el8_6 +14
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) bpftool-4.18.0-372.214.1.el8_6, kernel-4.18.0-372.214.1.el8_6, kernel-abi-stablelists-4.18.0-372.214.1.el8_6 +14

Fixes 2 records

TI-2026-46126 CVE-2026-64562 · GHSA-mc77-r35g-cpmm

KVM: nVMX: Hide shadow VMCS right after VMCLEAR

LOW 39

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Hide shadow VMCS right after VMCLEAR free_nested() frees the shadow VMCS while vmcs01 still points to it.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00162 Published 2026-08-04 Fixed in 5.10.265, 5.15.216 +6 CWE-416

TI-2025-26698 CVE-2025-40026 · GHSA-3p46-x25w-pgvh

KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

LOW 34

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O,…

CVSS 3.1HIGH 7.9 Local Low privileges No interaction EPSS 0.0017 Published 2025-10-28 Partial fix · 5.4.301, 5.10.246 +7