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CVE-2021-43413

nvd nist
Published: Nov 7, 2021Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.

Affected (1)

Products: Gnu: Hurd
Gnu
1 product
Hurd
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Hurd
Before 0.9.20210404-9

References (8)

Source: cve@mitre.org
Mailing ListVendor Advisory
Source: cve@mitre.org
Mailing ListVendor Advisory
Source: cve@mitre.org
ExploitMailing ListVendor Advisory
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitMailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.