CVE-2026-47330 LOW

CVE-2026-47330: Use of uninitialized value in Ubuntu Linux AppArmor notification handling

Vendor Canonical
Product Ubuntu Linux
Weakness CWE-457
Published May 28, 2026
Last update May 28, 2026

CVSS base score

3.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 28, 2026 CVE published
May 28, 2026 Record updated