CVE-2025-3212 Mali GPU Kernel Driver allows access to already freed memory

Medium 5.3 Published 8 Sep 2025 Updated 26 Feb 2026

A local attacker can exploit a use-after-free flaw in Arm Mali GPU drivers to access freed memory, potentially leading to privilege escalation on Android devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2025-3212?

CVE-2025-3212 is a medium-severity use after free vulnerability in Arm Valhall Gpu Kernel Driver, published on 8 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0.

Weakness: CWE-416

Which versions are affected by CVE-2025-3212?

It affects 3 products.

Products include Arm 5th Gen Gpu Architecture Kernel Driver, Arm Bifrost Gpu Kernel Driver, Arm Valhall Gpu Kernel Driver.

How do I fix CVE-2025-3212?

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-2025-3212 being exploited?

There is no known exploitation of CVE-2025-3212 in the wild and no public exploit code.

All Arm Valhall Gpu Kernel Driver vulnerabilities

Sources

Also known as A-421179224, ASB-A-421179224, GHSA-q5gx-qj4h-ghfh.