CVE-2026-47331
Use-after-free in Ubuntu Linux AppArmor notification handling
- State
- Published
- Severity
- 7.8 High
- Published
- May 28, 2026
- Updated
- May 29, 2026
- Reserved
- May 19, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | canonical |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
Ubuntu LinuxCanonical |
|
References
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