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 :
Dec. 30, 2024, 7:51 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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.
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.
-
Initial Analysis by [email protected]
Dec. 30, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.10.46 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.13 *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 No Types Assigned https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 Patch Changed Reference Type https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 No Types Assigned https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 Patch Changed Reference Type https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 No Types Assigned https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 Patch Changed Reference Type https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 No Types Assigned https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 Patch Changed Reference Type https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 No Types Assigned https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 Patch Changed Reference Type https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 No Types Assigned https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41 Added Reference https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27 Added Reference https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1 -
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]
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.