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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-47331

Use-after-free in Ubuntu Linux AppArmor notification handling

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Canonical Ubuntu Linux

Default version status: unaffected

  • 6.8.0 to < 6.8.0-124.124affected

References