CVE-2026-47332

Medium

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent slab objects.

SeverityMedium

CVSS5.5

Exploit probability—

ProductCanonical Ubuntu Linux

PublishedMay 28, 2026

First seenMay 28, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Patches

git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=0418e5f61b55465f19245705bce6590c807fc9f2

Affected products

Product	Affected versions	Fixed in
canonical ubuntu_linux	24.04, 25.10, 26.04	—

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