CVE-2022-49485
Linux Kernel Null Pointer Dereference in DRM/V3D
Description
In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix null pointer dereference of pointer perfmon In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 17, 2025, 4:53 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-2022-49485.
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).
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The following list is the news that have been mention
CVE-2022-49485 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49485 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.
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Initial Analysis by [email protected]
Mar. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.17.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 5.18.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.46 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix null pointer dereference of pointer perfmon In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked. Added Reference https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd Added Reference https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8 Added Reference https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33 Added Reference https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49485 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-2022-49485
weaknesses.