Vulnerability in rtl818x package: Prevent using not initialized queues
Summary
GSD-2022-1002921: rtl818x: Prevent using not initialized queues. Affects Kernel versions < 9ad1981fc4de3afb7db3e8eb5a6a52d4c7d0d577. No fix is published. How to fix ↓
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Background
The rtl818x package is a driver for Realtek RTL8180, RTL8185, and RTL8187SE wireless LAN (WLAN) controllers. It provides support for these controllers, allowing them to communicate with the operating system and enable wireless network connectivity. The package is commonly used in Linux systems.
Vulnerability Detail
This vulnerability in the rtl818x package allows for the use of uninitialized queues. When certain queues are not properly initialized, it can lead to unexpected behavior and potential security issues. Attackers may be able to exploit this vulnerability to execute arbitrary code, cause a denial of service, or gain unauthorized access to sensitive information. The vulnerability has been identified and fixed in Linux Kernel version v5.17.14 by commit 9ad1981fc4de3afb7db3e8eb5a6a52d4c7d0d577.
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. The recommended solution is to update the kernel to the fixed version.
Conclusion
The vulnerability in the rtl818x package that allowed the use of uninitialized queues has been identified and fixed in Linux Kernel version v5.17.14. Users are advised to update their systems to the fixed version to mitigate any potential risks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially allow attackers to execute arbitrary code, cause a denial of service, or gain unauthorized access to sensitive information.
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.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to update the affected system as soon as possible to mitigate any potential risks.
The vulnerability affects versions of the rtl818x package prior to Linux Kernel version v5.17.14. It is recommended to update to the fixed version to ensure the vulnerability is addressed.
More information about the fix can be found in the commit 9ad1981fc4de3afb7db3e8eb5a6a52d4c7d0d577 in the official Linux Kernel repository.
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