CVE-2026-11891mediumCWE-416

CVE-2026-11891: medium-severity vulnerability in Arm Ltd Valhall GPU Userspace Driver

Mali GPU Userspace Driver allows access to already freed memory

Published · Updated

Follow this CVE+ Monitor Arm 5th Gen GPU Architecture Userspace Driver+ Monitor Valhall GPU Userspace Driver

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.1epss 0.2%
Use After Free vulnerability in 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 Valhall GPU Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Arm Ltd · Arm 5th Gen GPU Architecture Userspace DriverArm Ltd · Valhall GPU Userspace Driver
Related CVEs — Arm Ltd Valhall GPU Userspace Driver

In the same product, most dangerous first.

CVE-2025-0932MEDIUMMali GPU Userspace Driver allows access to already freed memoryEPSS 0.3%CVE-2023-32804—Mali GPU Userspace Driver can make an Out-of-Bounds accessEPSS 0.3%CVE-2025-0050MEDIUMMali GPU Userspace Driver allows an Out-of-Bounds accessEPSS 0.2%CVE-2025-1246HIGHMali GPU Userspace Driver allows an Out-of-Bounds accessEPSS 0.2%CVE-2026-9034HIGHMali GPU Userspace Driver allows access to already freed memoryEPSS 0.2%