Vulnerability Intelligence Report
Mali GPU Userspace Driver allows access to already freed memory
CVE-2025-0932
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.
No Active Exploit Signals
CVSS Base Score
4.3
MEDIUM
Exploitability:2.9
Impact Score:1.5
EPSS Probability:0.24%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-416 ↗CWE-416 Use After Free
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Arm Ltd | Bifrost GPU Userspace Driver | r48p0 <= r49p3 (affected), r50p0 <= r51p0 (affected) |
| Arm Ltd | Valhall GPU Userspace Driver | r48p0 <= r49p3 (affected), r50p0 <= r54p0 (affected) |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | r48p0 <= r49p3 (affected), r50p0 <= r54p0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.238%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Arm Limited · Open Source · UK |
| Reserved | 2025-01-31T14:19:56 |
| Published | 2025-08-04T10:00:57 |
| Patch Date | 2025-08-04 |
| Last Updated | 2026-02-26T17:50:02 |
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