Kernel: Fix kernel panic when reset failed and been triggered again
Summary
GSD-2021-1002482: drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again. Affects Kernel versions < 74aafe99efb68f15e50be9f7032c2168512f98a8. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages communication between hardware and software. It provides essential functionality for the system, including device drivers, memory management, and process scheduling. The vulnerability in question affects the drm/amd/amdkfd module of the Kernel. This module is responsible for managing the AMD GPU kernel driver. The vulnerability can lead to a kernel panic when a reset operation fails and is triggered again.
Vulnerability Detail
The vulnerability occurs in the drm/amd/amdkfd module of the Kernel. When a reset operation fails and is triggered again, it can cause a kernel panic. A kernel panic is a critical error that forces the operating system to halt, potentially leading to system instability or denial of service. The impact of this vulnerability can vary depending on the specific system configuration and usage. It is important to note that the actual attack plausibility and impact have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability. The recommended solution is to apply the fix by updating the Kernel to the patched version.
Conclusion
The vulnerability in the drm/amd/amdkfd module of the Kernel can lead to a kernel panic when a reset operation fails and is triggered again. It is crucial to update the Kernel to version v5.10.84 or later, which includes the fix for this vulnerability. Promptly applying security patches is essential to ensure system stability and mitigate potential risks. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific system configuration and usage. It can potentially lead to a kernel panic, causing system instability or denial of service.
You can check if your system is affected by verifying the installed Kernel version. If your Kernel version is earlier than v5.10.84, it is recommended to update to the patched version.
At the time of this report, there are no known exploits for this vulnerability. However, it is always recommended to apply security patches promptly to mitigate potential risks.
The details regarding remote exploitation have not been provided. However, keeping the Kernel up to date with security patches is a good practice to minimize the risk of remote exploitation.
For more details about this vulnerability, including the specific commit that fixes it, you can refer to the source link provided in the database_specific section of this report.
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