Uninitialized Value in r871xu_drv_init() in Kernel
Summary
GSD-2022-1003819: staging: rtl8712: fix uninit-value in r871xu_drv_init(). Affects Kernel versions < a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that manages communication between hardware and software. It provides essential services and functions for the proper functioning of the system. The rtl8712 driver is a staging driver in the Kernel that supports Realtek RTL8712U Wireless LAN USB devices. This driver allows users to connect to wireless networks using these devices.
Vulnerability Detail
The vulnerability, identified as GSD-2022-1003819, exists in the r871xu_drv_init() function of the rtl8712 driver in the Kernel. It is caused by the use of uninitialized values, which can lead to unpredictable behavior and potential security risks. An attacker could potentially exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. The vulnerability was fixed in Linux Kernel version v4.19.247 by commit a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2.
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 rtl8712 driver in the Kernel could allow an attacker to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. It is recommended to update the Linux Kernel to version v4.19.247 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability could potentially allow an attacker to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
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 and it will provide real-time alerts for open-source vulnerabilities.
Yes, the vulnerability has been fixed in Linux Kernel version v4.19.247 by commit a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2.
Yes, this vulnerability can be exploited remotely if the affected system is connected to a network.
There are no known instances of this vulnerability being exploited in the wild.
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