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CVE-2026-47331 Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list

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.

Affected products and versions

Product Affected versions Fixed in
Ubuntu Linux 6.8 6.8.0 → < 6.8.0-124.124 6.8.0-124.124

References

Timeline

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