Fix recursive locking warning in drm/amdgpu package
Summary
GSD-2022-1002199: drm/amdgpu: Fix recursive locking warning. Affects Kernel versions < c0e9d868a1e03b120562da0abb5bfa2c47f3f9fa. No fix is published. How to fix ↓
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Background
The drm/amdgpu package is a component of the Linux Kernel that provides support for AMD GPUs. It is responsible for managing the display and graphics functionality of AMD graphics cards. The package includes drivers and modules that enable communication between the operating system and the GPU hardware. This vulnerability in the drm/amdgpu package can lead to recursive locking, which can cause system instability and potential crashes.
Vulnerability Detail
The vulnerability in the drm/amdgpu package is related to recursive locking. Recursive locking occurs when a thread or process attempts to acquire a lock that it already holds, leading to a deadlock situation. In this case, the recursive locking warning indicates that the package is not properly handling lock acquisition and release, potentially resulting in recursive locking scenarios. This vulnerability can be exploited by an attacker to cause system instability, crashes, or even denial of service. It is important to note that the impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.189 or later. This fix is implemented in commit c0e9d868a1e03b120562da0abb5bfa2c47f3f9fa of the Linux Kernel repository. Updating the Kernel to the fixed version will ensure that the recursive locking warning in the drm/amdgpu package is addressed.
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Conclusion
In conclusion, the drm/amdgpu package in the Linux Kernel is vulnerable to recursive locking, which can lead to system instability and potential crashes. It is recommended to update the Kernel to version v5.4.189 or later to fix this vulnerability. For more information and support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability can range from system instability to potential crashes or denial of service. However, the actual impact and attack plausibility have not yet been proven.
You can use tools like Vulert (https://vulert.com) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in the software.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the fixed version to address the issue.
You can find more information about this vulnerability in the Linux Kernel repository. The vulnerability details are available in the commit c0e9d868a1e03b120562da0abb5bfa2c47f3f9fa.
The vulnerability details are part of the GSD Database maintained by the Cloud Security Alliance (CSA).
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