CVE-2023-4295: Mali GPU Kernel Driver allows improper GPU memory processing operations
First published: Tue Nov 07 2023(Updated: )
A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.
Credit: arm-security@arm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arm Mali GPU Kernel Driver | >=r41p0<r43p0 | |
| Arm Valhall Gpu Kernel Driver | >=r29p0<=r42p0 | |
| Google Android |
Remedy
This issue is fixed in Valhall and Arm 5th Gen GPU Architecture Kernel Driver r43p0. Users are recommended to upgrade if they are impacted by this issue.
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Reference Links
- https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
- http://packetstormsecurity.com/files/176109/Arm-Mali-CSF-Overflow-Use-After-Free.html
- https://source.android.com/docs/security/bulletin/2024-01-01/#asterisk
- https://source.android.com/docs/security/bulletin/2024-01-01 (Advisory)
Frequently Asked Questions
What is CVE-2023-4295?
CVE-2023-4295 is a vulnerability in the Mali GPU Kernel Driver that allows improper GPU memory processing operations.
Who is affected by CVE-2023-4295?
The vulnerability affects local non-privileged users.
What can an attacker do with CVE-2023-4295?
An attacker can gain access to already freed memory.
What is the severity of CVE-2023-4295?
The severity of CVE-2023-4295 is high with a CVSS score of 7.8.
How can I fix CVE-2023-4295?
To fix CVE-2023-4295, it is recommended to apply the necessary security patches provided by Arm.
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