CVE-2021-43413

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published: Nov 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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