Use After Free Vulnerability in Arm 5th Gen GPU Kernel Driver by Arm Ltd
CVE-2026-5729

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-5729?

A Use After Free vulnerability exists in the Valhall GPU Kernel Driver and Arm 5th Gen GPU Architecture Kernel Driver from Arm Ltd. This vulnerability allows a local non-privileged user process to perform valid GPU processing operations, potentially leading to unauthorized access to already freed memory. Such an exploit could result in unpredictable behaviors, including data corruption and application instability, thus posing security risks for users relying on these drivers.

Affected Version(s)

Arm 5th Gen GPU Architecture Kernel Driver r50p0

Arm 5th Gen GPU Architecture Kernel Driver r55p0

Valhall GPU Kernel Driver r50p0

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

.