Vulnerability in drm/amd/amdgpu package: Refcount Leak
Summary
GSD-2021-1000585: drm/amd/amdgpu: fix refcount leak. Affects Kernel versions < 9fdb8ed37a3a44f9c49372b69f87fd5f61cb3240. No fix is published. How to fix ↓
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Background
The drm/amd/amdgpu package is a component of the Linux Kernel that provides support for AMD GPUs. It is responsible for managing the graphics hardware and enabling features such as display output, 3D rendering, and video acceleration. The package is widely used in Linux-based systems that utilize AMD graphics cards. However, a vulnerability has been discovered in this package that could lead to a refcount leak.
Vulnerability Detail
The vulnerability in the drm/amd/amdgpu package is related to a refcount leak. A refcount leak occurs when a reference to a resource is not properly released, resulting in a memory leak. In this case, the refcount leak can be triggered by a specific sequence of operations or inputs, causing the package to allocate memory that is not freed. This can lead to a gradual depletion of system resources and potentially result in a denial-of-service condition. The vulnerability has been assigned the ID GSD-2021-1000585 and was fixed in Linux Kernel version v5.10.42 by commit 9fdb8ed37a3a44f9c49372b69f87fd5f61cb3240.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround available for this vulnerability. Updating the Linux Kernel to the fixed version is the recommended solution.
Conclusion
The vulnerability in the drm/amd/amdgpu package, which could lead to a refcount leak and gradual depletion of system resources, has been fixed in Linux Kernel version v5.10.42. It is crucial to update the Linux Kernel to the fixed version to ensure the security and stability of systems utilizing the drm/amd/amdgpu package. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a gradual depletion of system resources and potentially result in a denial-of-service condition.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any open-source vulnerabilities, including this refcount leak vulnerability.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the fix as soon as possible to prevent any potential exploitation.
The vulnerability itself does not provide remote code execution capabilities. However, if an attacker already has access to the system, they may be able to trigger the refcount leak vulnerability to deplete system resources and potentially disrupt normal operation.
The recommended solution is to update the Linux Kernel to the fixed version. However, if updating the kernel is not feasible in your environment, you can consider implementing additional monitoring and resource management measures to mitigate the impact of the refcount leak vulnerability.
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