CVE-2023-3889 Mali GPU Kernel Driver exposes sensitive data from freed memory
A local attacker can exploit improper GPU memory operations to access freed memory, potentially exposing sensitive data on Android devices.
- 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-2023-3889?
CVE-2023-3889 is a high-severity use after free 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 improper GPU memory processing operations. If the operations are carefully prepared, then they could be used to gain access to already freed memory.
Which versions are affected by CVE-2023-3889?
It affects 1 product.
Products include Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2023-3889?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-3889 being exploited?
There is no known exploitation of CVE-2023-3889 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
Sources
Also known as A-295942985, ASB-A-295942985, GHSA-4qp7-687g-h58j.