ArmCVE-2026-9034
Arm 5th Gen GPU Architecture Userspace Driver: use after free
High7.8CVE-2026-9034 · Published Sep 8, 2026 · updated Sep 10, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Arm 5th Gen GPU Architecture Userspace Driver Product | >= r42p0, <= r49p5 | No fix yet |
| >= r50p0, <= r54p3 | No fix yet | |
| <= r55p0 | No fix yet | |
| Bifrost GPU Userspace Driver Product | >= r42p0, <= r49p5 | No fix yet |
| >= r50p0, <= r51p0 | No fix yet | |
| >= r54p1, <= r54p3 | No fix yet | |
| Valhall GPU Userspace Driver Product | >= r42p0, <= 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:L/UI:N/S:U/C:H/I:H/A:H
- 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 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 Userspace Driver: use after free | Medium5.1 | No fix yet |
| Sep 8 | Arm 5th Gen GPU Architecture Kernel Driver: use after free | Medium4.0 | No fix yet |