CVE-2026-47326 — MEDIUM (5.5)

Vulnerability Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Canonical	Ubuntu Linux	24.04

Related Weaknesses (CWE)

CWE-401

References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/Patch

FAQ

What is CVE-2026-47326?

CVE-2026-47326 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory l...

How severe is CVE-2026-47326?

CVE-2026-47326 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47326?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux.