CVE-2026-47336

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

CVSS 3.3 LOWEPSS 0.1%CWE-457

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.3EPSS 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 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.

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

Affected products

Canonical · Ubuntu Linux

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References

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