CVE-2026-47336

LOW

Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules

Title source: cna

Description

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.

References (1)

Core 1

Core References

Patch patch

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=f37c6a70fe7b435322c334554002809a4e7b7293

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:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-457

Status published

Products (2)

Canonical/Ubuntu Linux 6.8.0 - 6.8.0-124.124

canonical/ubuntu_linux 6.8

Published May 28, 2026

Tracked Since May 29, 2026