Memory Leak Vulnerability in drm/nouveau/kms/nv50
Summary
UVI-2021-1001688: drm/nouveau/kms/nv50-: fix file release memory leak. Affects Kernel versions >= 12885ecbfe62df4358d452080d3b8feef54ec8cb, < 0b4e9fc14973a94ac0520f19b3633493ae13c912. No fix is published. How to fix ↓
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Background
The drm/nouveau/kms/nv50 package is a component of the Linux Kernel, which is responsible for managing the display and graphics functionality of NVIDIA GPUs. It provides the necessary drivers and modules for the Nouveau open-source graphics driver. The package allows for kernel mode-setting (KMS) on NVIDIA GPUs based on the nv50 architecture. This vulnerability affects versions of the Linux Kernel starting from v5.9 and was fixed in v5.14.12.
Vulnerability Detail
The memory leak vulnerability in drm/nouveau/kms/nv50 occurs when releasing a file. This can lead to a gradual depletion of memory resources, potentially causing system instability or denial of service. The vulnerability was introduced in the Linux Kernel v5.9 by commit 12885ecbfe62df4358d452080d3b8feef54ec8cb. It was fixed in v5.14.12 by commit 0b4e9fc14973a94ac0520f19b3633493ae13c912.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround available for this vulnerability. It is essential to apply the fix by updating the Linux Kernel to a patched version.
Conclusion
The memory leak vulnerability in drm/nouveau/kms/nv50 can pose a risk to system stability and availability. It is crucial to update the Linux Kernel to version v5.14.12 or later to mitigate this vulnerability. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The memory leak vulnerability in drm/nouveau/kms/nv50 can lead to a gradual depletion of memory resources, potentially causing system instability or denial of service.
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 to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, there is no known exploit for this vulnerability. However, it is crucial to apply the fix to prevent any potential exploitation.
It is not recommended to manually patch the vulnerability without updating the entire Linux Kernel. The fix provided in the updated kernel version includes necessary changes and improvements to address the vulnerability effectively.
You can find more information about this vulnerability in the Open Source Vulnerability database maintained by the Cloud Security Alliance. Visit the following link for details: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/UVI-2021-1001688.json
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