mac80211: Remove Warning in ieee80211_get_sband()
Summary
GSD-2021-1001139: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < 0ee4d55534f82a0624701d0bb9fc2304d4529086. 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 and is used to retrieve the frequency band information for a given wireless network interface. This function is crucial for various operations related to wireless networking.
Vulnerability Detail
The vulnerability identified in mac80211 is related to a warning message present in the ieee80211_get_sband() function. This warning message can potentially lead to confusion and misinterpretation of the function's behavior. Although the impact and attack plausibility of this vulnerability have not been proven, it is essential to address it to ensure clarity and maintain the integrity of the codebase. The vulnerability has been fixed in Linux Kernel version v5.13 by commit 0ee4d55534f82a0624701d0bb9fc2304d4529086.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The mac80211 package in the Linux Kernel is vulnerable to a warning message in the ieee80211_get_sband() function. This vulnerability has been fixed in Linux Kernel version v5.13 by commit 0ee4d55534f82a0624701d0bb9fc2304d4529086. To rectify this issue, it is recommended to update the Linux Kernel to version v5.13 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. It manages wireless network interfaces and facilitates communication between devices.
ieee80211_get_sband() is a function in mac80211 that retrieves the frequency band information for a given wireless network interface. It is used for various operations related to wireless networking.
The warning message in ieee80211_get_sband() can lead to confusion and misinterpretation of the function's behavior. It is important to address this issue to ensure clarity and maintain the integrity of the codebase.
To fix this vulnerability, update the Linux Kernel to version v5.13 or later. This update includes the necessary fix to remove the warning message from ieee80211_get_sband().
Yes, the vulnerability has been fixed in Linux Kernel version v5.13 by commit 0ee4d55534f82a0624701d0bb9fc2304d4529086.
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