mac80211: Remove Warning in ieee80211_get_sband()
Summary
UVI-2021-1001130: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < 93e9f3fbafe3ebe8d060c11a425a08fad1885f23. 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 various aspects of wireless communication. The ieee80211_get_sband() function is a part of mac80211 and is used to retrieve the regulatory band information for a given wireless device. This information is crucial for ensuring compliance with local regulations and optimizing wireless network performance.
Vulnerability Detail
The vulnerability identified as UVI-2021-1001130 in mac80211 involves a warning that is present in the ieee80211_get_sband() function. This warning can potentially lead to confusion and misinterpretation of the function's behavior. While the impact and attack plausibility of this vulnerability have not been proven, it is important to address it to maintain code clarity and prevent any potential security risks. The vulnerability has been fixed in Linux Kernel version v5.12.14 by commit 93e9f3fbafe3ebe8d060c11a425a08fad1885f23.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in mac80211's ieee80211_get_sband() function has been addressed in Linux Kernel version v5.12.14. It is crucial to update the Kernel to ensure the removal of the warning and maintain code clarity. 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.
The ieee80211_get_sband() function is a part of mac80211 and is used to retrieve the regulatory band information for a given wireless device.
The impact of this vulnerability is not yet proven. However, the presence of the warning in the ieee80211_get_sband() function can lead to confusion and misinterpretation of its behavior.
To fix this vulnerability, update the Linux Kernel to version v5.12.14 or later.
No specific workaround has been provided for this vulnerability. Updating the Kernel to the recommended version is the best course of action.
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