CVE-2026-47327

NULL pointer dereference in Ubuntu Linux AppArmor notification handling

State: Published
Severity: 3.3 Low
Published: May 28, 2026
Updated: May 28, 2026
Reserved: May 19, 2026

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.

Scores

CVSS	Score	Vector	Source
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	canonical

Weaknesses

CWE-476 NULL pointer dereference

Affected Products

Product	Versions
Ubuntu LinuxCanonical	6.8.0 to before 6.8.0-124.124Affected 6.17.0 to before 6.17.0-35.35Affected 7.0.0 to before 7.0.0-22.22Affected

References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247facpatch

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