CVE-2022-46394: Use After Free
First published: Wed Mar 08 2023(Updated: )
An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Arm Avalon Gpu Kernel Driver | =r41p0 | |
| Arm Valhall Gpu Kernel Driver | >=r39p0<=r41p0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2022-46394.
What is the severity of CVE-2022-46394?
The severity of CVE-2022-46394 is high with a CVSS score of 8.8.
What software is affected by CVE-2022-46394?
The Arm Mali GPU Kernel Driver versions Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0 are affected.
How can a non-privileged user exploit CVE-2022-46394?
A non-privileged user can make improper GPU processing operations to gain access to already freed memory.
Are there any references for CVE-2022-46394?
Yes, you can find references for CVE-2022-46394 at the following links: [Refer to the vendor's website](https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities) and [Refer to the Android Security Bulletin](https://source.android.com/docs/security/bulletin/2023-05-01/#asterisk).
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