Use After Free Vulnerability in Arm Ltd GPU Kernel Drivers
CVE-2026-7476

7.8HIGH

Key Information:

Vendor

Arm
Status
Bifrost Gpu Kernel Driver
Valhall Gpu Kernel Driver
Arm 5th Gen Gpu Architecture Kernel Driver
Vendor
CVE Published:
8 September 2026

What is CVE-2026-7476?

A use after free vulnerability exists in the GPU kernel drivers of Arm Ltd, including Bifrost, Valhall, and Arm 5th Gen architectures. This allows a local non-privileged user process to perform improper GPU memory processing, potentially accessing memory that has already been freed. If exploited, this could lead to unexpected behaviors or escalation of privileges in the affected systems.

Affected Version(s)

Arm 5th Gen GPU Architecture Kernel Driver r49p3

Arm 5th Gen GPU Architecture Kernel Driver r51p0

Arm 5th Gen GPU Architecture Kernel Driver r55p0

References

https://support.arm.com/documentation/111552/1-0/?lang=en

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.