Vulnerability Report

CVE-2026-47330

Title: AppArmor Uninitialized Variable Use (Incorrect Caching)

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-47330.

CWE Category CWE-457

Published Date May 28, 2026

Modified Date Jun 09, 2026

Exploit Status Not Found

Score 3.3 CVSS v3.1

Exploit Probability (EPSS)

0.09%

Vulnerability Summary

CVE-2026-47330: Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses.

Impacted Vendors

ubuntu 1

canonical 1

Reference Links

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=9b2c6eded493fa50e7c8cd3618d7ebe1358abaab

CVSS v3.1

Source Entity [email protected]

Severity LOW

3.3

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-47330 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 09, 2026 MODIFIED

Vulnerability data updated via NVD.

May 29, 2026 MODIFIED

Vulnerability data updated via NVD.

May 28, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.