Vulnerability in cfg80211 package: Fix for management registrations locking
Summary
UVI-2021-1002059: cfg80211: fix management registrations locking. Affects Kernel versions >= 6cd536fe62ef58d7c4eac2da07ab0ed7fd19010d, < 4c22227e39c7a0b4dab55617ee8d34d171fab8d4. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The cfg80211 package is a component of the Linux Kernel ecosystem. It provides the framework for wireless LAN (WLAN) drivers and configuration. It is responsible for managing various aspects of wireless networking, including device registration, regulatory domain handling, and management frame processing. The package is critical for enabling wireless communication on Linux systems.
Vulnerability Detail
The vulnerability identified in the cfg80211 package involves a locking issue related to management registrations. The specific flaw was introduced in version v5.8 of the Linux Kernel and was fixed in version v5.10.77. The vulnerability could potentially allow an attacker to exploit the locking mechanism and gain unauthorized access or manipulate management registrations. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the cfg80211 package in the Linux Kernel was found to have a vulnerability related to management registrations locking. While the impact and attack plausibility have not been proven, it is recommended to update the Kernel to version v5.10.77 or later to ensure the vulnerability is patched. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is currently unknown as the attack plausibility has not been proven. However, if successfully exploited, it could potentially lead to unauthorized access or manipulation of management registrations in wireless networking.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation. Simply upload your manifest file (e.g., package-lock.json) to the playground and it will provide information on any vulnerabilities detected.
No known exploit for this vulnerability has been reported at this time.
The recommended mitigation for this vulnerability is to update the Linux Kernel to version v5.10.77 or later. This will ensure that the vulnerability is patched and the system is protected.
You can find more information about this vulnerability in the Open Source Vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability ID is UVI-2021-1002059. The database source can be accessed at: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/UVI-2021-1002059.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
