Uninitialized Value in r871xu_drv_init() in Kernel
Summary
GSD-2022-1004029: staging: rtl8712: fix uninit-value in r871xu_drv_init(). Affects Kernel versions < 0b7371a22489cbb2e8e826ca03fb5ce92afb04fe. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and acts as an interface between hardware and software. It includes various drivers for different devices, including the rtl8712 driver for Realtek wireless adapters. The rtl8712 driver is part of the staging subsystem, which contains drivers that are still under development or not fully supported. The r871xu_drv_init() function in the rtl8712 driver is responsible for initializing the driver and its associated data structures.
Vulnerability Detail
The vulnerability in the r871xu_drv_init() function arises from the use of uninitialized values. This can lead to unpredictable behavior and potential security risks. An attacker may be able to exploit this vulnerability to gain unauthorized access, execute arbitrary code, or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the r871xu_drv_init() function of the Kernel's rtl8712 driver has been fixed in Linux Kernel version v4.9.318. Users are advised to update their Kernel to the latest version to ensure the security of their systems. If you need assistance with vulnerability remediation, please reach out to DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, it could potentially allow an attacker to gain unauthorized access, execute arbitrary code, or cause a denial-of-service condition.
There is no known exploit for this vulnerability at the moment.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert Playground allows you to analyze your manifest file, such as package-lock.json, and provides real-time alerts for open-source vulnerabilities.
Updating the Kernel to the fixed version is the recommended way to mitigate the risk. However, if updating is not feasible, you should follow security best practices, such as restricting network access, using firewalls, and applying other relevant security measures.
For further support on vulnerability remediation, you can contact info@devnack.com.
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