Vulnerability in cfg80211: fix management registrations locking
Summary
GSD-2021-1002122: cfg80211: fix management registrations locking. Affects Kernel versions >= 6cd536fe62ef58d7c4eac2da07ab0ed7fd19010d, < 3c897f39b71fe68f90599f6a45b5f7bf5618420e. No fix is published. How to fix ↓
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Background
The cfg80211 package is a component of the Linux Kernel that provides the framework for wireless LAN (WLAN) device configuration and management. It is responsible for handling various operations related to wireless network interfaces, including scanning, connecting, and managing network configurations. The package plays a crucial role in enabling wireless communication on Linux systems.
Vulnerability Detail
The identified vulnerability in cfg80211 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 subsequent versions until v5.14.16. The vulnerability could potentially be exploited by an attacker to gain unauthorized access or execute arbitrary code on a vulnerable system. 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.
Conclusion
In conclusion, the identified vulnerability in cfg80211 poses a potential risk to the security of Linux systems. It is crucial to update the Linux Kernel to version v5.14.16 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
cfg80211 is a component of the Linux Kernel that handles wireless LAN (WLAN) device configuration and management.
The impact of this vulnerability is currently unknown, as its attack plausibility has not been proven. However, it could potentially lead to unauthorized access or arbitrary code execution on a vulnerable system.
The vulnerability affects versions of the Linux Kernel starting from v5.8 up to v5.14.15.
To fix the vulnerability, it is recommended to update the Linux Kernel to version v5.14.16 or later, which includes the necessary fix.
Users can obtain the updated Linux Kernel from the official Linux Kernel repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/.
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