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Vulnerability Details CVE-2026-47331

Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 3.4%

CVSS Severity

CVSS v3 Score 7.8

References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=5e5cd4759b63363373faf1ce15d1cab3606d6ec8

Products affected by CVE-2026-47331

Canonical » Ubuntu Linux » Version: 24.04

cpe:2.3:o:canonical:ubuntu_linux:24.04
Canonical » Ubuntu Linux » Version: 25.10

cpe:2.3:o:canonical:ubuntu_linux:25.10
Canonical » Ubuntu Linux » Version: 26.04

cpe:2.3:o:canonical:ubuntu_linux:26.04

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Vulnerability Details CVE-2026-47331

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