CVE-2026-47337

LOW

NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation

Title source: cna

Description

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.

References (1)

Core 1

Core References

Patch patch

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=9f03f0012a2367efae1edb4798f1c5103aeb6cbc

Scores

CVSS v3 3.3

EPSS 0.0009

EPSS Percentile 0.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (6)

Canonical/Ubuntu Linux 6.17.0 - 6.17.0-35.35

Canonical/Ubuntu Linux 6.8.0 - 6.8.0-124.124

Canonical/Ubuntu Linux 7.0.0 - 7.0.0-22.22

canonical/ubuntu_linux 6.8

canonical/ubuntu_linux 6.17

canonical/ubuntu_linux 7.0

Published May 28, 2026

Tracked Since May 29, 2026