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

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-08 · updated 2026-10-18
Weakness: CWE-416

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.

Affected products

Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p4; from r50p0 before r54p1 — fixed in r54p1
Arm Ltd Bifrost GPU Kernel Driver: from r41p0 through r49p4; from r50p0 before r54p1 — fixed in r54p1
Arm Ltd Valhall GPU Kernel Driver: from r41p0 through r49p4; from r50p0 before r54p1 — fixed in r54p1

How to fix

Upgrade to a fixed version: Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r54p1; Arm Ltd Bifrost GPU Kernel Driver r54p1; Arm Ltd Valhall GPU Kernel Driver r54p1. Check the vendor advisory for mitigations.

References

https://developer.arm.com/documentation/110627/latest

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