CVE-2025-1246 Mali GPU Userspace Driver allows an Out-of-Bounds access
A non-privileged user can exploit an out-of-bounds access in the Mali GPU driver via WebGL or WebGPU to potentially execute code or escalate privileges.
- 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-2025-1246?
CVE-2025-1246 is a high-severity memory corruption vulnerability in Arm 5th Gen GPU Architecture Userspace Driver, published on 2 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access outside of buffer bounds.This issue affects Bifrost GPU Userspace Driver: from r18p0 through r49p3, from r50p0 through r51p0; Valhall GPU Userspace Driver: from r28p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Userspace Driver: from r41p0 through r49p3, from r50p0 through r54p0.
Weakness: CWE-119
Which versions are affected by CVE-2025-1246?
It affects 3 products.
Products include Arm 5th Gen Gpu Architecture Userspace Driver, Arm Bifrost Gpu Userspace Driver, Arm Valhall Gpu Userspace Driver.
How do I fix CVE-2025-1246?
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-2025-1246 being exploited?
There is no known exploitation of CVE-2025-1246 in the wild and no public exploit code.
Other vulnerabilities in Arm 5th Gen GPU Architecture Userspace Driver
Sources
Also known as A-402121892, ASB-A-402121892, GHSA-qqx6-6jxm-2crq.