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.
Conclusion & alert: CVE-2025-0932 is rated Low Risk (33/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-31 | 0.06% | 0.22% | +0.16% |
| 2 | 2026-04-20 | 0.03% | 0.06% | +0.03% |
| 3 | 2025-12-31 | — | 0.03% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| arm | 5th_gen_gpu_architecture_userspace_driver | >= r48p0, < r49p4 | cpe:2.3:a:arm:5th_gen_gpu_architecture_userspace_driver:*:*:*:*:*:*:*:* |
| arm | 5th_gen_gpu_architecture_userspace_driver | >= r50p0, < r54p1 | cpe:2.3:a:arm:5th_gen_gpu_architecture_userspace_driver:*:*:*:*:*:*:*:* |
| arm | bifrost_gpu_userspace_driver | >= r48p0, < r49p4 | cpe:2.3:a:arm:bifrost_gpu_userspace_driver:*:*:*:*:*:*:*:* |
| arm | bifrost_gpu_userspace_driver | >= r50p0, < r54p1 | cpe:2.3:a:arm:bifrost_gpu_userspace_driver:*:*:*:*:*:*:*:* |
| arm | valhall_gpu_userspace_driver | >= r48p0, < r49p4 | cpe:2.3:a:arm:valhall_gpu_userspace_driver:*:*:*:*:*:*:*:* |
| arm | valhall_gpu_userspace_driver | >= r50p0, < r54p1 | cpe:2.3:a:arm:valhall_gpu_userspace_driver:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://developer.arm.com/documentation/110626/latest/ | Vendor Advisory |