CVE-2021-29626

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2021

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