CVE-2025-1246: Arm 5th Gen GPU Architecture Userspace Driver

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Restriction of Operations within the Bounds of a Memory Buffer 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 access outside of buffer bounds.This issue affects Bifrost GPU Userspace Driver: from r18p0 through r49p3, from r50p0 through r51p0; Valhall GPU Userspace Driver: from r28p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Userspace Driver: from r41p0 through r49p3, from r50p0 through r54p0.

Affected products

• Arm 5th Gen GPU Architecture Userspace Driver: from r41p0, before r49p4 (fixed in r49p4); from r50p0, before r54p1 (fixed in r54p1)
• Arm Bifrost GPU Userspace Driver: from r48p0, before r49p4 (fixed in r49p4); version r50p0 only; version r51p0 only
• Arm Valhall GPU Userspace Driver: from r28p0, before r49p4 (fixed in r49p4); from r50p0, before r54p1 (fixed in r54p1)

Published 2025-06-02. Last modified 2026-06-17.