Vulnerability in cfg80211 package: Fix for management registrations locking
Summary
GSD-2021-1002059: cfg80211: fix management registrations locking. Affects Kernel versions >= 6cd536fe62ef58d7c4eac2da07ab0ed7fd19010d, < 4c22227e39c7a0b4dab55617ee8d34d171fab8d4. No fix is published. How to fix ↓
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Background
The cfg80211 package is a component of the Linux Kernel ecosystem. It provides the framework for wireless LAN (WLAN) drivers and management functionality. It allows the kernel to communicate with WLAN drivers and handle various operations related to wireless networking. The package is an essential part of the Linux Kernel and is widely used in systems that require wireless connectivity.
Vulnerability Detail
The identified vulnerability in the cfg80211 package relates to a locking issue in management registrations. The vulnerability was introduced in version v5.8 of the Linux Kernel by commit 6cd536fe62ef58d7c4eac2da07ab0ed7fd19010d and affects all versions until v5.10.76. The issue can potentially be exploited by an attacker to gain unauthorized access or disrupt wireless network operations. The impact and attack plausibility of this vulnerability have not been proven yet.
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. It is recommended to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The identified vulnerability in the cfg80211 package can be fixed by updating the Linux Kernel to version v5.10.77 or later. It is recommended to follow the official documentation for detailed instructions on how to update the Linux Kernel. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The cfg80211 package is a component of the Linux Kernel ecosystem that provides the framework for wireless LAN (WLAN) drivers and management functionality.
The impact of this vulnerability is currently unknown. It has the potential to allow unauthorized access or disrupt wireless network operations.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.77 or later.
Yes, all versions from v5.8 to v5.10.76 are affected by this vulnerability.
More information about this vulnerability can be found in the official Linux Kernel repository and the provided references link.
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