CVE-2024-1067: 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 to make improper GPU memory processing operations. On Armv8.0 cores, there are certain combinations of the Linux Kernel and Mali GPU kernel driver configurations that would allow the GPU operations to affect the userspace memory of other processes. This issue affects Bifrost GPU Kernel Driver: from r41p0 through r47p0; Valhall GPU Kernel Driver: from r41p0 through r47p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r47p0.

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CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/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	r41p0 — r48p0
arm	bifrost_gpu_kernel_driver	r41p0 — r48p0
arm	valhall_gpu_kernel_driver	r41p0 — r48p0

References

Advisories & Patches

https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

Frequently Asked Questions

What is CVE-2024-1067? +

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 to make improper GPU memory processing operations. On Armv8.0 cores, there are certain combinations of the Linux Kernel and Mali GPU kernel driver configurations that would allow the GPU operations to affect the userspace memory of other processes. This issue affects Bifrost GPU Kernel Driver: from r41p0 through r47p0; Valhall GPU Kernel Driver: from r41p0 through r47p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r47p0. It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2024-1067? +

CVE-2024-1067 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-1067? +

CVE-2024-1067 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-2024-1067? +

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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