France’s National Agency for the Security of Information Systems (ANSSI) reported multiple vulnerabilities in the Ubuntu Linux kernel on October 16, 2026.
Some of the flaws could allow remote execution of arbitrary code, privilege escalation or breaches of data confidentiality. They also pose risks to data integrity and security policy enforcement, and could lead to denial of service.
Affected releases are Ubuntu 14.04 ESM, 16.04 ESM, 18.04 ESM, 20.04 ESM, 22.04 LTS, 24.04 LTS and 26.04 LTS.