Arm 5th Gen GPU Architecture Kernel Driver: race condition
High7.7CVE-2026-9040 · Published Sep 8, 2026 · updated Sep 10, 2026
A race condition vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to cause a denial of service or disclose sensitive information. This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Arm 5th Gen GPU Architecture Kernel Driver Product | >= r41p0, <= r49p5 | No fix yet |
| >= r50p0, <= r54p3 | No fix yet | |
| <= r55p0 | No fix yet | |
| Bifrost GPU Kernel Driver Product | >= r12p0, <= r49p5 | No fix yet |
| >= r50p0, <= r51p0 | No fix yet | |
| >= r54p1, <= r54p2 | No fix yet | |
| Valhall GPU Kernel Driver Product | >= r19p0, <= 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:H/I:N/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-362
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: 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 |