HIGH

RHSA-2026:45115: Important: kernel security update

Red Hat Errata • Jul 24, 2026

HIGH

RHSA-2026:40082: Important: kernel security update

Red Hat Errata • Jul 15, 2026

INFO

RHSA-2026:27705: Important: kernel security update

Red Hat Errata • Jun 22, 2026

INFO

RHSA-2026:9131: Important: kernel security update

Red Hat Errata • Apr 20, 2026

HIGH

RHSA-2026:9112: Moderate: kernel security update

Red Hat Errata • Apr 20, 2026

MEDIUM

USN-8179-2: Linux kernel (FIPS) vulnerabilities

Ubuntu Security • Apr 17, 2026

MEDIUM

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Ubuntu Security • Apr 17, 2026

INFO

Sigma rules engine inside the Linux kernel

Reddit r/netsec • Mar 11, 2026

HIGH

Audited hypervisor kernel escapes in regulated environments — Ring 0 is the real attack surface

Reddit r/netsec • Jan 27, 2026