Vulnerability in Kernel Package: drm/amdgpu/ucode
Summary
GSD-2022-1003084: drm/amdgpu/ucode: Remove firmware load type check in amdgpu_ucode_free_bo. Affects Kernel versions < bea9f0ea1b3d5dbcaacfc28f7ff2964a42f922de. No fix is published. How to fix ↓
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Background
The Kernel package is a fundamental component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware devices, including graphics processing units (GPUs). The drm/amdgpu/ucode module within the Kernel package is specifically related to the AMD GPU microcode firmware. This firmware is responsible for controlling the behavior and performance of AMD GPUs. However, a vulnerability has been discovered in the amdgpu_ucode_free_bo function of the drm/amdgpu/ucode module.
Vulnerability Detail
The vulnerability in the amdgpu_ucode_free_bo function arises from a firmware load type check that is present. This check is intended to ensure that the firmware being freed is of the correct type. However, it has been identified that this check is unnecessary and can be exploited by an attacker. By manipulating the firmware load type, an attacker could potentially execute arbitrary code or trigger a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, a vulnerability has been identified in the Kernel package's drm/amdgpu/ucode module. This vulnerability involves an unnecessary firmware load type check that can be exploited by an attacker. To mitigate this vulnerability, it is recommended to update the Kernel package to version v5.17.14 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown. While it has the potential to allow arbitrary code execution or trigger a denial-of-service condition, further investigation is required to determine the actual impact.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to update the Kernel package to the fixed version mentioned earlier.
There is no evidence of this vulnerability being exploited in the wild at the moment. However, it is crucial to apply the fix as soon as possible to mitigate any potential risks.
You can find more information about this vulnerability in the GSD-2022-1003084 entry of the GSD Database maintained by the Cloud Security Alliance. The source link is provided in the vulnerability details section.
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