CVE-2026-47326 Memory leak in Ubuntu Linux AppArmor large notification response allocation

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion...

CVE-2026-47326

The CVE-2026-47326 issue concerns Ubuntu Linux versions 6.8, 6.17 and 7.0 affected by SAUCE patches introducing a memory leak in the handling of large AppArmor notification responses. The vulnerability can be triggered by an unprivileged local user, with the resulting leak potentially causing res...