CVE-2026-47331
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductCanonical Ubuntu Linux
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-416Use after free
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| canonical ubuntu_linux | 24.04, 25.10, 26.04 | — |
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