CVE-2021-47055

kernel: mtd: require write permissions for locking and badblock ioctls

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Severity

Moderate

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · February 29, 2024

Updated · August 18, 2026

Description

A flaw was found in the Linux Kernel, requiring write permissions for locking and badblock ioctls, as they modify protection bits.

Statement

Red Hat Enterprise Linux 9 is not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-266 · Incorrect Privilege Assignment