Ubuntu
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CVE-2026-3888 in Ubuntu Desktop allows local users to escalate to root
A high severity flaw in default Ubuntu Desktop installs of 24.04 and later allows a local unprivileged user to escalate to root. The issue is CVE-2026-3888 and patches for snapd are available for affected releases.
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Security Bypasses Detected in Ubuntu Linux’s User Namespace Restrictions
A new report from Qualys reveals that three security bypasses have been found in Ubuntu Linux’s user namespace restrictions, potentially allowing local attackers to exploit kernel vulnerabilities. Canonical is working on enhancing AppArmor protections in response.
