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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Arm Ltd | Bifrost GPU Userspace Driver | >= r48p0, <= r49p3; >= r50p0, <= r51p0 |
| Arm Ltd | Valhall GPU Userspace Driver | >= r48p0, <= r49p3; >= r50p0, <= r54p0 |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | >= r48p0, <= r49p3; >= r50p0, <= r54p0 |
References
- https://developer.arm.com/documentation/110626/latest/Vendor Advisory
Timeline
- Published
- Aug 4, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed