CVE-2026-7477
Last modified
CVE-2026-7477 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Arm Ltd | Bifrost GPU Kernel Driver | >= r44p0, <= r49p4; >= r50p0, <= r51p0; >= r54p1, <= r54p2 |
| Arm Ltd | Valhall GPU Kernel Driver | >= r44p0, <= r49p5; >= r50p0, <= r54p3 |
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver | >= r44p0, <= r49p5; >= r50p0, <= r54p3; r55p0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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