Description
Use After Free 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 access already freed memory.
This issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Arm | Bifrost GPU Kernel Driver | r49p3 – ≤ r49p5, r51p0, r54p1 – ≤ r54p2 | — |
| Arm | Valhall GPU Kernel Driver | r49p3 – ≤ r49p5, r51p0 – ≤ r54p3, r55p0 | r56p0 |
| Arm | Arm 5th Gen GPU Architecture Kernel Driver | r49p3 – ≤ r49p5, r51p0 – ≤ r54p3, r55p0 | r56p0 |
Advisories 1
- WID-SEC-2026-3251 Android Patchday September 2026: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2026