Vulnerability in Kernel: mac80211: remove warning in ieee80211_get_sband()
Summary
GSD-2021-1001097: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < ee0e5601a54186028de0f1bed0a65759382a1d24. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and enables various features and services. The mac80211 subsystem within the Kernel is responsible for implementing the IEEE 802.11 wireless LAN protocol. It provides support for wireless network devices and handles the transmission and reception of wireless data.
In the mac80211 subsystem, there is a function called ieee80211_get_sband() that retrieves the wireless band information for a given wireless device. However, this function contains a warning that needs to be addressed.
Vulnerability Detail
The vulnerability in the ieee80211_get_sband() function within the mac80211 subsystem of the Kernel arises from a warning that needs to be removed. While the impact and attack plausibility of this vulnerability have not been proven, it is essential to address it to maintain code quality and eliminate potential issues. The warning may indicate a potential flaw or unintended behavior in the function, which could potentially be exploited by an attacker. The vulnerability has been fixed in Linux Kernel version v4.9.274 by commit ee0e5601a54186028de0f1bed0a65759382a1d24.
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 approach is to apply the fix by updating the Kernel to the patched version.
Conclusion
In conclusion, the vulnerability in the Kernel's mac80211 subsystem, specifically in the ieee80211_get_sband() function, requires attention to ensure code quality and eliminate potential issues. It is advised to update the Kernel to version v4.9.274 or later to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices.
The mac80211 subsystem is responsible for implementing the IEEE 802.11 wireless LAN protocol in the Kernel.
ieee80211_get_sband() is a function within the mac80211 subsystem that retrieves the wireless band information for a given wireless device.
The impact of this vulnerability is currently unknown, as the actual attack plausibility has not been proven. However, it is important to address the vulnerability to maintain code quality and eliminate potential issues.
To fix this vulnerability, it is recommended to update the Kernel to version v4.9.274 or later.
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