Low 3.3Published May 28, 2026

CVE-2026-47336Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules

Updated under an hour ago (Oct 26, 2026, 10:10 PM ET)

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It affects Canonical Ubuntu Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Canonical Ubuntu Linux

Exploited in the last 30 days

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: 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-457
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: canonical
NVD analysis: Analyzed
Record last updated: May 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Canonical Ubuntu Linux canonical:ubuntu_linux (from the name)	from 6.8.0 before 6.8.0-124.124	CNA record
canonical ubuntu_linux canonical:ubuntu_linux	6.8	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.