Vulnerability in drm/nouveau package: Off-by-One Error in BIOS Boundary Checking
Summary
GSD-2022-1000220: drm/nouveau: fix off by one in BIOS boundary checking. Affects Kernel versions >= 4d4e9907ff572bb1d1c0f6913ad6e3d6d4525077, < f071d9fa857582d7bd77f4906691f73d3edeab73. No fix is published. How to fix ↓
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Background
The drm/nouveau package is a component of the Linux Kernel ecosystem. It provides support for NVIDIA GPUs using the Nouveau driver. The package allows users to utilize the full capabilities of their NVIDIA graphics cards on Linux systems. However, a vulnerability has been discovered in the package that involves an off-by-one error in BIOS boundary checking.
Vulnerability Detail
The vulnerability in the drm/nouveau package arises from an off-by-one error in the BIOS boundary checking mechanism. This error allows an attacker to potentially access memory beyond the intended boundaries, leading to various security risks. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in version v4.8 of the Linux Kernel and has been fixed in version v5.10.99 by commit f071d9fa857582d7bd77f4906691f73d3edeab73.
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 v5.10.99 or later. This can be done by pulling the latest updates from the official Linux Kernel repository using the following command:
$ git clone https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
Once the repository is cloned, navigate to the cloned directory and checkout the latest stable version using the following command:
$ git checkout v5.10.99
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Conclusion
In conclusion, the drm/nouveau package in the Linux Kernel is vulnerable to an off-by-one error in BIOS boundary checking. This vulnerability can potentially lead to unauthorized access or code execution. It is crucial to update the Linux Kernel to version v5.10.99 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, it could potentially lead to unauthorized access to sensitive information or the execution of arbitrary code.
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 one.
No, there are no known workarounds for this vulnerability. It is recommended to update the Linux Kernel to the fixed version as soon as possible.
The remote exploitability of this vulnerability has not been determined yet. Further analysis is required to assess the potential for remote exploitation.
The vulnerability was discovered by an automated ID intended to aid in the discovery of potential security vulnerabilities. The actual impact and attack plausibility have not been proven yet.
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