Back to Database
Status published
High
CVE-2021-43412
An issue was discovered in GNU Hurd before 0.9 20210404-9....
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-43412
Credits & Attribution
No credits recorded in the NVD database.
References
More from gnu
View All →CVE-2024-10524
GNU Wget is vulnerable to an SSRF attack when accessing partially-user-controlled shorthand URLs
Medium
6.5
CVE-2022-48339
An issue was discovered in GNU Emacs through 28.2. htmlfontify.el...
Unknown
0
CVE-2022-48338
An issue was discovered in GNU Emacs through 28.2. In...
Unknown
0
CVE-2022-48337
GNU Emacs through 28.2 allows attackers to execute commands via...
Unknown
0
CVE-2022-48303
GNU Tar through 1.34 has a one-byte out-of-bounds read that...
Unknown
0
Affected Vendor
Affected Software
hurd
Vulnerable Versions:
0
Timeline
Official Publish:
November 7th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.