CVE-2022-42716: Use After Free
First published: Mon Dec 12 2022(Updated: )
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 Valhall r29p0 through r40P0.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arm Bifrost Gpu Kernel Driver | >=r1p0<=r40p0 | |
| Arm Midguard Gpu Kernel Driver | >=r4p0<=r32p0 | |
| Arm Valhall Gpu Kernel Driver | >=r19p0<=r40p0 | |
| Arm Valhall Gpu Kernel Driver | >=r29p0<=r40p0 | |
| Google Android |
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Reference Links
- http://packetstormsecurity.com/files/170420/Arm-Mali-CSF-KBASE_REG_NO_USER_FREE-Unsafe-Use-Use-After-Free.html
- https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
- https://source.android.com/docs/security/bulletin/2023-04-01/#asterisk
- https://source.android.com/docs/security/bulletin/2023-04-01 (Advisory)
Frequently Asked Questions
What is CVE-2022-42716?
CVE-2022-42716 is a vulnerability 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.
How does CVE-2022-42716 affect Arm Bifrost Gpu Kernel Driver?
CVE-2022-42716 affects the Arm Bifrost Gpu Kernel Driver versions r1p0 through r40P0.
How does CVE-2022-42716 affect Arm Midguard Gpu Kernel Driver?
CVE-2022-42716 affects the Arm Midguard Gpu Kernel Driver versions r4p0 through r32p0.
How does CVE-2022-42716 affect Arm Valhall Gpu Kernel Driver?
CVE-2022-42716 affects the Arm Valhall Gpu Kernel Driver versions r19p0 through r40P0.
How severe is CVE-2022-42716?
CVE-2022-42716 has a severity rating of 8.8 (high).
Are there any references related to CVE-2022-42716?
Yes, there are references available for CVE-2022-42716. You can find them at the following links: [Packet Storm Security](http://packetstormsecurity.com/files/170420/Arm-Mali-CSF-KBASE_REG_NO_USER_FREE-Unsafe-Use-Use-After-Free.html), [Arm Security Center](https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities), [Android Security Bulletin](https://source.android.com/docs/security/bulletin/2023-04-01/#asterisk).
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