Linux Kernel Security Update Advisory

Linux Kernel Security Update Advisory

Overview


A security update has been released to address a vulnerability in the Linux kernel. Users of affected products should update to the latest version as instructed.

Resolved Vulnerabilities


  • CVE-2026-43074. A Use-After-Free vulnerability in the eventpoll component of the Linux kernel.
  • CVE-2026-46242. A Use-After-Free vulnerability in the eventpoll component of the Linux kernel.
  • CVE-2026-53359. A Use-After-Free vulnerability in the KVM x86 Shadow Paging component of the Linux kernel.

Affected Versions


  • CVE-2026-43074. Affects Linux Kernel versions prior to 6.6.136, 6.12.83, 6.18.24, And 6.19.14.
  • CVE-2026-46242. Affects Linux Kernel versions prior to 5.16, 6.2, 6.6.144, 6.12.95, 6.18.33, And 7.0.10.
  • CVE-2026-53359. Affects Linux Kernel versions 2.6.36 Or higher but lower than 6.1.177, 2.6.36 Or higher but lower than 6.6.144, 2.6.36 Or higher but lower than 6.12.95, Versions 2.6.36 Or higher but lower than 6.18.38, And versions 2.6.36 Or higher but lower than 7.1.3 Are affected.

Action


You must update to the latest version that applies the Vulnerability Patch. The reference site provides information on the patches and applicable versions for each CVE.