CVE-2023-4272 Mali GPU Kernel Driver exposes sensitive data from freed memory
A local attacker can exploit Mali GPU kernel drivers to read sensitive data from previously freed memory, requiring OS-level patches.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-4272?
CVE-2023-4272 is a medium-severity vulnerability in Arm Valhall Gpu Kernel Driver, published on 7 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A local non-privileged user can make GPU processing operations that expose sensitive data from previously freed memory.
Which versions are affected by CVE-2023-4272?
It affects 4 products.
Products include Arm Bifrost Gpu Kernel Driver, Arm Mali Gpu Kernel Driver, Arm Midgard Gpu Kernel Driver, Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2023-4272?
Apply the vendor's patch.
Is CVE-2023-4272 being exploited?
There is no known exploitation of CVE-2023-4272 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
- CVE-2022-38181 Arm Mali GPU Kernel Driver Use-After-Free
- CVE-2021-29256 Arm Mali GPU Kernel Driver Use-After-Free
- CVE-2021-28663 Arm Mali Graphics Processing Unit (GPU) Use-After-Free
- CVE-2021-28664 Arm Mali Graphics Processing Unit (GPU) Unspecified
- CVE-2022-22706 Arm Mali GPU Kernel Driver Unspecified
Sources
Also known as A-296910715, ASB-A-296910715, GHSA-gh94-rfj3-873r.