CVE-2026-9034: Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver

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

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 access already freed memory. This issue affects Bifrost GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p3; Valhall GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0.

Affected products

• Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver: from r42p0, up to and including r49p5; from r50p0, up to and including r54p3; version r55p0 only
• Arm Ltd Bifrost GPU Userspace Driver: from r42p0, up to and including r49p5; from r50p0, up to and including r51p0; from r54p1, up to and including r54p3
• Arm Ltd Valhall GPU Userspace Driver: from r42p0, up to and including r49p5; from r50p0, up to and including r54p3; version r55p0 only

Published 2026-09-08. Last modified 2026-09-10.