CVE-2021-20261

MediumCVSS 6.4/10Last modified Jun 17, 2026

Description

A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root. If the permissions on the device have changed the impact changes greatly. In the default configuration root (or equivalent) permissions are required to attack this flaw.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362

Affected software

No affected versions have been published.

Timeline

Published: Mar 11, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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