Use After Free in Arm 5th Gen GPU Architecture Userspace Driver
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.
Vulnerability class: Use-After-Free
EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Arm 5th_gen_gpu_architecture_userspace_driver
- Arm Bifrost_gpu_userspace_driver
- Arm Valhall_gpu_userspace_driver
- Arm Ltd 5th Gen Gpu Architecture Userspace Driver — versions r48p0, r50p0
- Arm Ltd Bifrost Gpu Userspace Driver — versions r48p0, r50p0
- Arm Ltd Valhall Gpu Userspace Driver — versions r48p0, r50p0
Weakness classification (CWE)
References
- arm-security@arm.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-0932?
- CVE-2025-0932 is a medium-severity vulnerability in Arm 5th Gen GPU Architecture Userspace Driver, classified under Use After Free. CVSS score: 4.3/10. Published 2025-08-04.
- How severe is CVE-2025-0932?
- Medium severity. CVSS v3 base score is 4.3 out of 10.