Uninitialized Value in usb_read8() and Friends in Kernel
Summary
GSD-2022-1002887: staging: rtl8712: fix uninit-value in usb_read8() and friends. Affects Kernel versions < d7ed3c85da0b230bcdf5329acfe012ed093f3daa. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It is responsible for managing system resources, handling input/output operations, and facilitating communication between software and hardware. The rtl8712 module in the staging directory of the Kernel is used for Realtek RTL8712U Wireless LAN 802.11n USB 2.0 network adapters. This vulnerability specifically affects the usb_read8() and related functions in the rtl8712 module.
Vulnerability Detail
The vulnerability arises from uninitialized values in the usb_read8() and related functions in the rtl8712 module. When these functions are called, they may read data from uninitialized memory, leading to potential security issues. An attacker could potentially exploit this vulnerability to read sensitive information or execute arbitrary code in the context of the affected system. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. Users are advised to update their Kernel to the fixed version as mentioned in the 'how_to_fix' section.
Conclusion
In conclusion, the Kernel's rtl8712 module contains a vulnerability related to uninitialized values in the usb_read8() and related functions. While the impact and attack plausibility have not been proven, it is crucial to update the Kernel to the fixed version (v5.17.15) to mitigate any potential risks. Regularly updating the Kernel is recommended to ensure the latest security patches are applied. If you need further support or guidance, you can reach out to DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, an attacker could potentially read sensitive information or execute arbitrary code in the context of the affected system.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it in real-time.
There is no known exploit for this vulnerability at the moment. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
The specific prerequisites for exploiting this vulnerability are not mentioned in the provided information. However, it is always recommended to keep your system and software up to date to minimize the risk of exploitation.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
