What is the severity of CVE-2023-5091?

CVE-2023-5091 is a high-severity vulnerability due to improper GPU processing operations that can lead to unauthorized access to freed memory.

How do I fix CVE-2023-5091?

To fix CVE-2023-5091, ensure that you update the Arm Ltd Valhall GPU Kernel Driver to a version later than r40p0.

Who is affected by CVE-2023-5091?

CVE-2023-5091 affects local non-privileged users operating systems that utilize the Arm Valhall GPU Kernel Driver versions from r37p0 through r40p0.

What type of vulnerability is CVE-2023-5091?

CVE-2023-5091 is classified as a Use After Free vulnerability which can lead to exploitation through access to already freed memory.

Can CVE-2023-5091 impact Android devices?

Yes, CVE-2023-5091 can impact Android devices that utilize the vulnerable versions of the Arm Valhall GPU Kernel Driver.

Vulnerability/
CVE-2023-5091

medium

5.5

CWE

416

8/1/2024

20/11/2024

CVE-2023-5091: Mali GPU Kernel Driver allows improper GPU processing operations

First published: Mon Jan 08 2024(Updated: )

Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.

Credit: arm-security@arm.com

Affected Software	Affected Version	How to fix
Arm Ltd Valhall GPU Kernel Driver	>=r37p0<=r40p0
Android

Remedy

This issue is fixed in Valhall GPU Kernel Driver r41p0. Users are recommended to upgrade if they are impacted by this issue.

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-5091?
CVE-2023-5091 is a high-severity vulnerability due to improper GPU processing operations that can lead to unauthorized access to freed memory.
How do I fix CVE-2023-5091?
To fix CVE-2023-5091, ensure that you update the Arm Ltd Valhall GPU Kernel Driver to a version later than r40p0.
Who is affected by CVE-2023-5091?
CVE-2023-5091 affects local non-privileged users operating systems that utilize the Arm Valhall GPU Kernel Driver versions from r37p0 through r40p0.
What type of vulnerability is CVE-2023-5091?
CVE-2023-5091 is classified as a Use After Free vulnerability which can lead to exploitation through access to already freed memory.
Can CVE-2023-5091 impact Android devices?
Yes, CVE-2023-5091 can impact Android devices that utilize the vulnerable versions of the Arm Valhall GPU Kernel Driver.

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