CVE-2022-46396 Memory corruption in n/a
A non-privileged user can access limited memory outside buffer bounds via improper GPU operations in the Arm Mali kernel driver on Android.
- 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-2022-46396?
CVE-2022-46396 is a medium-severity memory corruption vulnerability in Arm Valhall Gpu Kernel Driver, published on 11 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Arm Mali Kernel Driver. A non-privileged user can make improper GPU memory processing operations to access a limited amount outside of buffer bounds. This affects Valhall r29p0 through r41p0 before r42p0 and Avalon r41p0 before r42p0.
Weakness: CWE-119
Which versions are affected by CVE-2022-46396?
It affects 2 products.
Products include Arm Avalon Gpu Kernel Driver, Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2022-46396?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-46396 being exploited?
There is no known exploitation of CVE-2022-46396 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
Sources
Also known as A-259984805, ASB-A-259984805, GHSA-qvhf-g7h8-w3gj.