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.
History

Thu, 10 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Arm
Arm 5th Gen Gpu Architecture Userspace Driver
Arm valhall Gpu Userspace Driver
Vendors & Products Arm
Arm 5th Gen Gpu Architecture Userspace Driver
Arm valhall Gpu Userspace Driver

Tue, 08 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Mali GPU Userspace Driver allows access to already freed memory
Weaknesses CWE-416
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Arm

Published: 2026-09-08T14:21:40.739Z

Updated: 2026-09-10T18:28:12.237Z

Reserved: 2026-06-10T15:09:29.899Z

Link: CVE-2026-11891

cve-icon Vulnrichment

Updated: 2026-09-10T18:28:05.786Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-08T15:18:40.067

Modified: 2026-09-10T19:17:26.660

Link: CVE-2026-11891

cve-icon Redhat

No data.