Use After Free Vulnerability in Arm Ltd GPU Drivers
CVE-2026-12387

5.1MEDIUM

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-2026-12387?

A use after free vulnerability exists in Arm Ltd's Bifrost and Valhall GPU Kernel Drivers and the Arm 5th Gen GPU Architecture Kernel Driver. This flaw allows a local non-privileged user process to exploit freed GPU memory resources, potentially leading to unauthorized access and malicious actions within the system. The affected driver versions range from r41p0 to r55p0 across the specified product lines, highlighting significant risks for users operating these drivers in vulnerable configurations.

Affected Version(s)

Arm 5th Gen GPU Architecture Kernel Driver r41p0

Arm 5th Gen GPU Architecture Kernel Driver r50p0

Arm 5th Gen GPU Architecture Kernel Driver r55p0

References

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

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.