Refcount Leak in drm/amd/amdgpu Package
Summary
GSD-2021-1000538: drm/amd/amdgpu: fix refcount leak. Affects Kernel versions < 95a4ec905e51a30c64cf2d78b04a7acbeae5ca94. 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 the display functionality. The package is widely used in Linux-based systems that utilize AMD graphics cards. However, a vulnerability has been identified in the package that can lead to a refcount leak.
Vulnerability Detail
The refcount leak vulnerability in the drm/amd/amdgpu package allows an attacker to cause a memory leak by improperly managing reference counts. This can result in the exhaustion of system resources, leading to a denial-of-service condition. The vulnerability can be exploited by an attacker with local access to the affected system. The issue was introduced in an unknown version and has been fixed in Linux Kernel version v5.12.9 by commit 95a4ec905e51a30c64cf2d78b04a7acbeae5ca94.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is necessary to update the Linux Kernel to the fixed version to mitigate the risk.
Conclusion
The refcount leak vulnerability in the drm/amd/amdgpu package can lead to a denial-of-service condition by causing a memory leak. To mitigate the risk, it is crucial to update the Linux Kernel to version v5.12.9 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a denial-of-service condition by causing a memory leak and exhausting system resources.
An attacker with local access to the affected system can exploit this vulnerability.
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 and the Vulert Playground will analyze it for any open-source vulnerabilities, including this refcount leak vulnerability.
Yes, a patch is available in Linux Kernel version v5.12.9. It is recommended to update the kernel to this version or later to fix the vulnerability.
There are no known exploits for this vulnerability at the moment. However, it is important to apply the patch as soon as possible to prevent any potential exploitation.
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