ArmCVE-2026-11891
Arm 5th Gen GPU Architecture Userspace Driver: use after free
Medium5.1CVE-2026-11891 · Published Sep 8, 2026 · updated Sep 10, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Arm 5th Gen GPU Architecture Userspace Driver Product | >= r46p0, <= r49p5 | No fix yet |
| >= r50p0, <= r54p3 | No fix yet | |
| <= r55p0 | No fix yet | |
| Valhall GPU Userspace Driver Product | >= r46p0, <= r49p5 | No fix yet |
| >= r50p0, <= r54p3 | No fix yet | |
| <= r55p0 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-416
More Arm advisories
All Arm| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 8 | Arm 5th Gen GPU Architecture Userspace Driver: use after free | High7.8 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: race condition | High7.7 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: use after free | High7.8 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: use after free | High7.8 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: use after free | High7.8 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: use after free | Medium4.0 | No fix yet |