Vulnerability Intelligence Report
Mali GPU Kernel Driver allows improper GPU memory processing operations
CVE-2023-6241
Use After Free vulnerability in Arm Ltd Midgard GPU Kernel Driver, 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 to exploit a software race condition to perform improper memory processing operations. If the system’s memory is carefully prepared by the user, then this in turn cause a use-after-free.This issue affects Midgard GPU Kernel Driver: from r13p0 through r32p0; Bifrost GPU Kernel Driver: from r11p0 through r25p0; Valhall GPU Kernel Driver: from r19p0 through r25p0, from r29p0 through r46p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r46p0.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:0.71%
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 | Midgard GPU Kernel Driver | r13p0 <= r32p0 (affected) |
| Arm Ltd | Bifrost GPU Kernel Driver | r11p0 <= r25p0 (affected) |
| Arm Ltd | Valhall GPU Kernel Driver | r19p0 <= r25p0 (affected), r29p0 <= r46p0 (affected) |
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver | r41p0 <= r46p0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.715%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Arm Limited · Open Source · UK |
| Reserved | 2023-11-21T13:54:23 |
| Published | 2024-03-04T12:15:58 |
| Patch Date | 2024-03-04 |
| Last Updated | 2025-03-13T14:35:52 |
Community Chatter & Buzz