Vulnerability in Kernel: mac80211: remove warning in ieee80211_get_sband()
Summary
UVI-2021-1001109: mac80211: remove warning in ieee80211_get_sband(). Affects Kernel versions < 25487a5ff100398cb214ae854358609e4bbd4e7d. 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 the execution of user programs. The mac80211 subsystem within the Kernel is responsible for implementing the IEEE 802.11 wireless LAN protocol. It provides the necessary functionality for wireless network communication. However, a vulnerability has been identified in the mac80211 subsystem that requires attention and remediation.
Vulnerability Detail
The vulnerability in the mac80211 subsystem specifically relates to a warning present in the ieee80211_get_sband() function. This warning, which has been identified as a potential security vulnerability, has been removed in the Linux Kernel version v4.19.196 by commit 25487a5ff100398cb214ae854358609e4bbd4e7d. While the exact impact and attack plausibility of this vulnerability have not been proven, it is essential to address it to ensure the security and stability of the system. The vulnerability affects the Linux Kernel versions prior to v4.19.196.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, a vulnerability has been identified in the mac80211 subsystem of the Kernel, specifically related to the ieee80211_get_sband() function. This vulnerability has been addressed in the Linux Kernel version v4.19.196 by removing the associated warning. To mitigate the risk, it is crucial to update the Kernel to the recommended version. For further support and assistance in 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 Linux Kernel.
The ieee80211_get_sband() function is a part of the mac80211 subsystem and is used to retrieve the wireless LAN band information.
The exact impact of this vulnerability is not proven, but it has the potential to be exploited for security breaches. It is crucial to address it to ensure system security.
To fix this vulnerability, update the Linux Kernel to version v4.19.196 or later by applying the provided commit to the Kernel source code.
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