Vulnerability · Published Sep 8, 2026 · Assigned by Arm
CVE-2026-7477Mali GPU Kernel Driver allows access to already freed memory
High 7.8
In plain English
A high-severity use-after-free in Arm 5th Gen GPU Architecture Kernel Driver from Arm Ltd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Official 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 valid GPU memory processing operations to access already freed memory. This issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p4, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3, r55p0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arm Ltd | Bifrost GPU Kernel Driver | r44p0 – through r49p4r50p0 – through r51p0r54p1 – through r54p2 |
| Arm Ltd | Valhall GPU Kernel Driver | r44p0 – through r49p5r50p0 – through r54p3 |
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver | r44p0 – through r49p5r50p0 – through r54p3r55p0 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H