Vulnerability in Kernel: mac80211: remove warning in ieee80211_get_sband()
Summary
GSD-2021-1001122: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < 8cfe765afd5a8d127770780f45fd971a28897484. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system that provides core functionalities and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and ensures the stability and security of the system. The mac80211 module within the Kernel is responsible for implementing the IEEE 802.11 wireless LAN protocol. It enables wireless networking capabilities on Linux systems.
The vulnerability in mac80211 arises from a warning present in the ieee80211_get_sband() function. This warning can potentially lead to security issues, although the exact impact and attack vectors have not been proven yet.
Vulnerability Detail
The vulnerability in mac80211's ieee80211_get_sband() function involves the presence of a warning that needs to be removed. While the exact details of the warning are not specified, warnings in code can indicate potential issues that may be exploited by attackers. The warning could potentially lead to unintended behavior or insecure operations within the mac80211 module. However, it is important to note that the actual impact and attack plausibility of this vulnerability have not been demonstrated.
The vulnerability has been addressed in the Linux Kernel version v5.10.47 by commit 8cfe765afd5a8d127770780f45fd971a28897484.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The vulnerability in mac80211's ieee80211_get_sband() function, which involved the presence of a warning, has been addressed in the Linux Kernel version v5.10.47. It is crucial to update the Kernel to the fixed version to mitigate any potential security risks. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a core component of the Linux operating system that manages system resources, facilitates communication between software and hardware, and ensures system stability and security.
mac80211 is a module within the Kernel that implements the IEEE 802.11 wireless LAN protocol, enabling wireless networking capabilities on Linux systems.
ieee80211_get_sband() is a function within the mac80211 module that retrieves the wireless band information for a given wireless device.
The exact impact of this vulnerability is not known, as the attack vectors and potential consequences have not been demonstrated. However, the presence of warnings in code can indicate potential security issues that may be exploited by attackers.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.47 or later, which includes the necessary fix for this issue.
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