Multiple Privilege Escalation Vulnerabilities Discovered in Ubuntu Linux Kernel

Multiple vulnerabilities were discovered in the Linux kernel of Ubuntu on 30 April 2026. These flaws allow attackers to achieve privilege escalation, compromise data confidentiality, and undermine data integrity. The affected component is the Ubuntu Linux kernel, though specific CVE identifiers, technical details, or affected versions were not disclosed in the notice. The impacts include unauthorized system access, exposure of sensitive information, and potential manipulation of data. No additional exploit conditions or attack vectors were provided. The advisory was published by CERT-FR.