GPU Reset Vulnerability in Linux Kernel: CVE-2025-38371
Summary
CVE-2025-38371: In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Disable interrupts before resetting the GPU Currently, an interrupt can be triggered during a GPU reset, which can lead to GPU hangs and NULL p... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of Linux operating systems, managing hardware and system resources. It provides essential services for all other parts of the system, including device drivers, system calls, and process management. The kernel is crucial for system stability and performance. This vulnerability affects the Linux kernel versions in Debian 11, 12, and 13, specifically related to the GPU reset process, which can lead to system instability.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the GPU reset process where interrupts can be triggered during a GPU reset. This can lead to GPU hangs and a NULL pointer dereference in an interrupt context, resulting in a kernel panic. The vulnerability is traced to the v3d driver, which handles the GPU for certain hardware. The issue arises because the interrupt handling does not properly disable interrupts before resetting the GPU, leading to potential system crashes and instability.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable the GPU or avoid operations that require GPU resets until the kernel is updated. However, this may not be feasible for all users, especially those relying on GPU functionalities.
Conclusion
CVE-2025-38371 is a significant vulnerability in the Linux kernel affecting GPU operations. Users are advised to update their systems to the latest patched version to mitigate risks associated with this vulnerability. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
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FAQ
CVE-2025-38371 is a vulnerability in the Linux kernel that affects the GPU reset process, potentially leading to system crashes.
Debian 11, 12, and 13 are affected by this vulnerability.
You can use Vulert, which monitors open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
The vulnerability can lead to GPU hangs, NULL pointer dereferences, and kernel panics, resulting in system instability.
You can apply the patch by updating your Linux kernel to version 6.12.37-1 or the latest available version for your Debian release using the command: 'sudo apt-get update && sudo apt-get install linux'.
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