CVE-2022-46395: Use After Free

Published Mar 6, 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 Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.

Affected Software

6 affected components
Arm Avalon GPU Kernel Driver=r41p0
Arm Bifrost GPU Kernel Driver>=r0p0<=r41p0
Arm Midgard GPU Kernel Driver>=r0p0<=r32p0
Arm Valhall GPU Kernel Driver>=r19p0<=r41p0
Arm Midguard Gpu Kernel Driver>=r0p0<=r32p0
Google Android

Event History

Mar 6, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2022-46395?

CVE-2022-46395 is an issue discovered in the Arm Mali GPU Kernel Driver that allows a non-privileged user to gain access to already freed memory through improper GPU processing operations.

2

Which software is affected by CVE-2022-46395?

CVE-2022-46395 affects Arm Mali GPU Kernel Driver in Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon.

3

What is the severity of CVE-2022-46395?

CVE-2022-46395 has a severity rating of 8.8 (high).

4

How can a non-privileged user exploit CVE-2022-46395?

A non-privileged user can exploit CVE-2022-46395 by performing improper GPU processing operations to gain access to already freed memory.

5

Are there any references available for CVE-2022-46395?

Yes, you can find more information about CVE-2022-46395 at the following references: [Reference 1](https://source.android.com/docs/security/bulletin/2023-05-01/#asterisk), [Reference 2](https://source.android.com/docs/security/bulletin/2023-05-01), [Reference 3](http://packetstormsecurity.com/files/172855/Android-Arm-Mali-GPU-Arbitrary-Code-Execution.html)

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