CVE-2021-47233

kernel: regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 21, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel's regulator driver for the RT4801. The issue occurs when the function tries to access a GPIO setting, but it fails because the associated pointer is NULL which lead to crash the system when the system attempts to use these GPIOs without proper checks.

Statement

None of the products shipped by Red Hat are 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference