CVE-2021-43412
HIGH
7.8
CVSS Score
Published: November 7, 2021 at 05:07 PM UTC
Updated: June 17, 2026 at 04:10 AM UTC
1 product affected across 1 vendorHurd
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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitMailing ListVendor Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlx_refsource_MISC
Source: [email protected]
https://www.mail-archive.com/bug-hurd%40gnu.org/msg32116.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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