0.0
NA
CVE-2021-47233
Linux kernel regulator rt4801 NULL Pointer Dereference Vulnerability
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.

INFO

Published Date :

May 21, 2024, 3:15 p.m.

Last Modified :

May 21, 2024, 4:54 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Affected Products

The following products are affected by CVE-2021-47233 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47233.

URL Resource
https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41
https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27
https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47233 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47233 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 21, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47233 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-47233 weaknesses.

NONE - Vulnerability Scoring System