CVE-2026-47336 LOW

CVE-2026-47336: Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules

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 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.

Key dates

02Disclosure timeline

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