CVE-2025-0932: Mali GPU Userspace Driver allows access to already freed memory

Severity: medium (CVSS 4.3 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: 2025-08-04 · updated 2026-06-17
Weakness: CWE-416

Description

Use After Free 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 gain access to already freed memory.This issue affects Bifrost GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r51p0; Valhall GPU Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Userspace Driver: from r48p0 through r49p3, from r50p0 through r54p0.

Affected products

Arm 5Th Gen Gpu Architecture Userspace Driver: from r48p0 before r49p4; from r50p0 before r54p1 — fixed in r49p4, r54p1
Arm Ltd Bifrost GPU Userspace Driver: from r48p0 before r49p4; from r50p0 before r54p1 — fixed in r49p4, r54p1
Arm Ltd Valhall GPU Userspace Driver: from r48p0 before r49p4; from r50p0 before r54p1 — fixed in r49p4, r54p1

How to fix

Upgrade to a fixed version: Arm 5Th Gen Gpu Architecture Userspace Driver r49p4, r54p1; Arm Ltd Bifrost GPU Userspace Driver r49p4, r54p1; Arm Ltd Valhall GPU Userspace Driver r49p4, r54p1. Check the vendor advisory for mitigations.

References

https://developer.arm.com/documentation/110626/latest/

Get alerted when CVE-2025-0932 or the next vulnerability affects your stack