CVE-2021-47195

kernel: spi: fix use-after-free of the add_lock mutex

Loading…

Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · April 10, 2024

Updated · November 21, 2025

Description

A use-after-free of the add_lock mutex was found in drivers/spi/spi.c.in the Linux kernel.

Statement

Red Hat Enterprise Linux 8 and 9 are 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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free