CVE-2026-47335

NULL pointer dereference in Ubuntu Linux AppArmor notification handling

CVSS 5.5 MEDIUMEPSS 0.1%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

28 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel panic.

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

Affected products

Canonical · Ubuntu Linux

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References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=406571d530ccdbae6119fe64ce9cf5c74160f20b