Linux kernel bug can crash services

Published September 11, 2026

Linux kernel has a CERT-Bund advisory for 5 vulnerabilities. An attacker can exploit multiple vulnerabilities in the Linux kernel to disclose sensitive information, manipulate data, cause a denial-of-service condition, or elevate their privileges.

Severity
Not scoredNo CVSS score recorded
Fix
Not confirmed
Affects
Linux kernel
Exploited
Not confirmedNo confirmation recorded

How it works

An attacker can exploit multiple vulnerabilities in the Linux kernel to disclose sensitive information, manipulate data, cause a denial-of-service condition, or elevate their privileges.

What to do

Check whether you run Linux kernel on a system covered by the CERT-Bund advisory.

Apply the vendor security update for Linux kernel.

Technical details

CERT-Bund describes Linux kernel as Der Kernel stellt den Kern des Linux Betriebssystems dar. An attacker can exploit multiple vulnerabilities in the Linux kernel to disclose sensitive information, manipulate data, cause a denial-of-service condition, or elevate their privileges. The advisory tracks CVE-2026-64561, CVE-2026-64562, CVE-2026-64563, CVE-2026-64564, CVE-2026-64565. Affected operating systems listed by CERT-Bund: Linux.

References