Red Hat Security Advisory

RHSA-2026:78843

kernel-rt security update

Released 2026-10-08 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.165.1.rt56.1317.el7, kernel-rt-debug-3.10.0-1160.165.1.rt56.1317.el7, kernel-rt-debug-devel-3.10.0-1160.165.1.rt56.1317.el7 +4

Fixes 1 record

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