Use-after-free in Ubuntu Linux AppArmor notification handling_CVE-2026-47331

7.8 / 10

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution.

Basic Information

ID CVE-2026-47331

Source canonical

Published May 28, 2026 at 18:28

Affected Product

Vendor Canonical

Product Ubuntu Linux

Version 6.8.0

Affected Versions Canonical Ubuntu Linux 6.8.0

CWE Classification

CWE-416

References

git.launchpad.net /~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/

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