CVE-2025-0819: bifrost gpu Use-After-Free — Fix

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 gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p3, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
arm	5th_gen_gpu_architecture_kernel_driver	r44p0 — r49p4
arm	5th_gen_gpu_architecture_kernel_driver	r50p0 — r54p1
arm	bifrost_gpu_kernel_driver	r44p0 — r49p4
arm	bifrost_gpu_kernel_driver	All
arm	bifrost_gpu_kernel_driver	All
arm	valhall_gpu_kernel_driver	r44p0 — r49p4
arm	valhall_gpu_kernel_driver	r50p0 — r54p1

References

Advisories & Patches

https://developer.arm.com/documentation/110466/latest/

Frequently Asked Questions

What is CVE-2025-0819? +

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 gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p3, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-0819? +

CVE-2025-0819 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0819? +

CVE-2025-0819 affects products from arm, specifically: 5th_gen_gpu_architecture_kernel_driver, bifrost_gpu_kernel_driver, valhall_gpu_kernel_driver. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0819? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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