CVE-2021-47233

MEDIUM

Linux Kernel < 5.10 - NULL Pointer Dereference in Regulator rt4801 GPIO Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL devm_gpiod_get_array_optional may return NULL if no GPIO was assigned.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41

Patch

https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1

Patch

https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27

Scores

CVSS v3 5.5

EPSS 0.0022

EPSS Percentile 12.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (10)

Linux/Linux < 5.10

Linux/Linux 5.10

Linux/Linux 5.10.46 - 5.10.*

Linux/Linux 5.12.13 - 5.12.*

Linux/Linux 5.13

Linux/Linux 5bbbfc7f7f0a44b7a85ab3872dd2ccce7019f7b1 - ba8a26a7ce8617f9f3d6230de34b2302df086b41

Linux/Linux 5bbbfc7f7f0a44b7a85ab3872dd2ccce7019f7b1 - cb2381cbecb81a8893b2d1e1af29bc2e5531df27

Linux/Linux 5bbbfc7f7f0a44b7a85ab3872dd2ccce7019f7b1 - dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1

linux/linux_kernel 5.13 rc1 (5 CPE variants)

linux/linux_kernel < 5.10.46

Published May 21, 2024

Tracked Since Feb 18, 2026