Vulnerability in Kernel: media: v4l2-core: explicitly clear ioctl input data
Summary
GSD-2021-1001212: media: v4l2-core: explicitly clear ioctl input data. Affects Kernel versions < bfb48b54db25c3b4ef4bef5e0691464ebc4aa335. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. One of its components, v4l2-core, is responsible for handling video for Linux devices. This vulnerability specifically affects the ioctl input data handling in the v4l2-core module.
Vulnerability Detail
The vulnerability in the v4l2-core module arises from a lack of explicit clearing of ioctl input data. This can potentially lead to information leakage or unauthorized access to sensitive data. Although the impact and attack plausibility have not been proven, it is crucial to address this vulnerability to ensure the security and integrity of the system. The vulnerability has been fixed in Linux Kernel version v5.13.3 through commit bfb48b54db25c3b4ef4bef5e0691464ebc4aa335.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the latest version of the Linux Kernel, there is no specific workaround available. It is advised to update the Kernel to the patched version as soon as possible.
Conclusion
The vulnerability in the v4l2-core module of the Kernel can potentially lead to information leakage or unauthorized access to sensitive data. It is crucial to update the Linux Kernel to version v5.13.3 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a core component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system.
v4l2-core is a module within the Kernel that handles video for Linux devices. It provides the necessary interfaces and functions for video-related operations.
The impact of this vulnerability is not yet proven, but it has the potential to result in information leakage or unauthorized access to sensitive data.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.13.3 or later. Follow the official update process provided by your Linux distribution.
As the vulnerability has been fixed in the latest Kernel version, there is no specific workaround available. Updating to the patched version is the recommended solution.
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