The popular operating system armbian released the repair of WPA2 vulnerability called KRACK.
Follow these commands
sudo apt-get update
sudo apt-get upgrade
The description of vulnerability is on https://thehackernews.com/2017/10/wpa2-krack-wifi-hacking.html
Original tweet: https://twitter.com/armbian/status/920218719766409216
https://www.facebook.com/time4ee/posts/1631527423565970
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