mac80211: Remove warning in ieee80211_get_sband()
Summary
UVI-2021-1001115: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < ae9de9444b54c867c9fc1383a6dcba1018cddaea. No fix is published. How to fix ↓
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Background
The mac80211 package is a subsystem in the Linux Kernel that provides the implementation of the IEEE 802.11 wireless networking stack. It is responsible for managing wireless network interfaces and handling communication between devices. The ieee80211_get_sband() function is a part of mac80211 that retrieves the regulatory band information for a given wireless device. This function is used by various components within the kernel to determine the operating frequency range and other parameters for wireless communication. However, a warning message present in ieee80211_get_sband() can potentially lead to confusion and unnecessary log entries.
Vulnerability Detail
The vulnerability in mac80211 arises from a warning message present in the ieee80211_get_sband() function. This warning message can cause confusion and generate unnecessary log entries, impacting system performance and potentially obscuring more critical log messages. While the impact and attack plausibility of this vulnerability have not been proven, it is recommended to address this issue to maintain system efficiency and clarity of log entries.
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 Linux Kernel to the fixed version.
Conclusion
In conclusion, the mac80211 package in the Linux Kernel is vulnerable to a warning message present in the ieee80211_get_sband() function. This vulnerability can impact system performance and log clarity. To address this issue, it is crucial to update the Linux Kernel to version v5.4.129 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
mac80211 is a subsystem in the Linux Kernel that provides the implementation of the IEEE 802.11 wireless networking stack.
ieee80211_get_sband() is a function in mac80211 that retrieves the regulatory band information for a given wireless device.
The warning message can cause confusion and generate unnecessary log entries, impacting system performance and potentially obscuring more critical log messages.
To fix this vulnerability, update the Linux Kernel to version v5.4.129 or later.
No specific workaround is mentioned. Updating the Linux Kernel to the fixed version is the recommended solution.
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