CVE-2022-46891
Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Description
An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.
INFO
Published Date :
Jan. 17, 2023, 8:15 a.m.
Last Modified :
Dec. 14, 2023, 8:03 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2022-46891 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2022-46891
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.
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-2022-46891.
| URL | Resource |
|---|---|
| https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities | Vendor Advisory |
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).
Arm mali open source drivers
Makefile C Assembly Starlark
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-46891 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-46891 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Dec. 14, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:arm:bifrost:*:*:*:*:*:*:*:* versions from (including) r1p0 up to (including) r40p0 *cpe:2.3:a:arm:midgard:*:*:*:*:*:*:*:* versions from (including) r13p0 up to (including) r32p0 *cpe:2.3:a:arm:valhall:*:*:*:*:*:*:*:* versions from (including) r19p0 up to (including) r40p0 OR *cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* versions from (including) r1p0 up to (including) r40p0 *cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* versions from (including) r13p0 up to (including) r32p0 *cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* versions from (including) r19p0 up to (including) r40p0 -
Initial Analysis by [email protected]
Jan. 24, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities No Types Assigned https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:arm:bifrost:*:*:*:*:*:*:*:* versions from (including) r1p0 up to (including) r40p0 *cpe:2.3:a:arm:midgard:*:*:*:*:*:*:*:* versions from (including) r13p0 up to (including) r32p0 *cpe:2.3:a:arm:valhall:*:*:*:*:*:*:*:* versions from (including) r19p0 up to (including) r40p0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-46891 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-2022-46891
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.43115
percentile