CVE-2026-47330

Use of uninitialized value 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, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses.

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:L/A:N	canonical

Weaknesses

CWE-457 Use of uninitialized variable

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=9b2c6eded493fa50e7c8cd3618d7ebe1358abaabpatch

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