CVE-2026-7476: CWE-416 Use After Free in Arm Ltd Bifrost GPU Kernel Driver
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.
CVSS v3.1
Score 7.8high
Affected software
Arm Ltd
Bifrost GPU Kernel Driver
Arm Ltd
Valhall GPU Kernel Driver
Arm Ltd
Arm 5th Gen GPU Architecture Kernel Driver
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-7476) involves a Use After Free condition in Arm Ltd's Bifrost GPU Kernel Driver, Valhall GPU Kernel Driver, and Arm 5th Gen GPU Architecture Kernel Driver. A local non-privileged user process can exploit improper GPU memory handling to access memory that has been freed, potentially leading to confidentiality, integrity, and availability impacts. The affected versions are Bifrost GPU Kernel Driver from r49p3 through r49p5, r51p0, and from r54p1 through r54p2; Valhall GPU Kernel Driver from r49p3 through r49p5, from r51p0 through r54p3, and r55p0; and Arm 5th Gen GPU Architecture Kernel Driver from r49p3 through r49p5, from r51p0 through r54p3, and r55p0.
Potential Impact
The vulnerability allows local non-privileged users to perform unauthorized access to freed GPU memory, which can lead to high impact on confidentiality, integrity, and availability of the system as indicated by the CVSS score of 7.8 (high).
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Arm
- Date Reserved
- 2026-04-29T22:12:10.791Z
- State
- PUBLISHED
Threat ID: 6aa01dbcacd9273b49c8372c
Added to database: 09/08/2026, 14:37:48 UTC
Last enriched: 09/16/2026, 01:37:12 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 50
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