CVE-2023-32804: Arm 5th Gen GPU Architecture Kernel Driver

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Out-of-bounds Write vulnerability in Arm Ltd Midgard GPU Userspace Driver, Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a local non-privileged user to write a constant pattern to a limited amount of memory not allocated by the user space driver.This issue affects Midgard GPU Userspace Driver: from r0p0 through r32p0; Bifrost GPU Userspace Driver: from r0p0 through r44p0; Valhall GPU Userspace Driver: from r19p0 through r44p0; Arm 5th Gen GPU Architecture Userspace Driver: from r41p0 through r44p0.

Affected products

• Arm 5th Gen GPU Architecture Kernel Driver: from r41p0, up to and including r44p0
• Arm Bifrost GPU Kernel Driver: from r0p0, up to and including r44p0
• Arm Midgard GPU Kernel Driver: from r0p0, up to and including r32p0
• Arm Valhall GPU Kernel Driver: from r19p0, up to and including r44p0

Published 2023-12-04. Last modified 2026-06-17.