Deadlock Vulnerability in drivers: staging: rtl8192u
Summary
GSD-2022-1003472: drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop(). Affects Kernel versions < 66f769762f65d957f688f3258755c6ec410bf710. No fix is published. How to fix ↓
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Background
The drivers: staging: rtl8192u package is a component of the Linux Kernel ecosystem. It provides support for the Realtek RTL8192U Wireless LAN Controller. This controller enables wireless network connectivity on devices running the Linux operating system. The package is responsible for managing various aspects of the wireless interface, including beacon handling. However, a vulnerability has been discovered in the package that can lead to a deadlock situation in the ieee80211_beacons_stop() function.
Vulnerability Detail
The vulnerability in drivers: staging: rtl8192u arises from a deadlock issue in the ieee80211_beacons_stop() function. When certain conditions are met, such as concurrent execution of the function, it can result in a deadlock situation. This can potentially impact the stability and performance of the wireless interface, leading to connectivity issues or system instability. The vulnerability has been identified and fixed in Linux Kernel version v5.10.122 by commit 66f769762f65d957f688f3258755c6ec410bf710.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the drivers: staging: rtl8192u package in the Linux Kernel is vulnerable to a deadlock issue in the ieee80211_beacons_stop() function. This vulnerability can impact the stability and performance of the wireless interface. It is recommended to update the Linux Kernel to version v5.10.122 or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a deadlock situation in the ieee80211_beacons_stop() function, potentially causing connectivity issues and system instability.
You can check the version of the Linux Kernel installed on your system. If it is earlier than v5.10.122, your system may be vulnerable.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
More details about the fix can be found in the commit 66f769762f65d957f688f3258755c6ec410bf710 in the Linux Kernel repository.
Yes, you can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities.
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