CVE-2026-47337 LOW

CVE-2026-47337: NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation

Vendor Canonical
Product Ubuntu Linux
Weakness CWE-476
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 None

CVSS vector

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

What the vulnerability does

01Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AF_INET/AF_INET6 socket mediation. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.

Key dates

02Disclosure timeline

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