VULNERABILITY INTELLIGENCE

CVE-2021-43412

CVSS score7.8 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2021-11-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-416: Use After Free

Primary references