CVEvulnerability
CVE-2021-43412
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-11-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-416
Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access.
Affected configurations
• gnu hurd (< 0.9.20210404-9)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html Exploit, Mailing List, Vendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html www.mail-archive.com
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html Exploit, Mailing List, Vendor Advisory
- https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.html www.mail-archive.com