You could read about it recently in all News: https://www.theguardian.com/technology/2017/oct/16/wpa2-wifi-security-vulnerable-hacking-us-government-warnsHi. Can you tell us something about this : Fix - Security loophole of KRACK WPA2 (10-19)
Is it an official Google Patch ?
I know, but as another user already told, currrently there is NO official google patch available and there a no informations for that fix on the official xiaomi changelog. so the patch is developed by xiaomi.eu ?You could read about it recently in all News: https://www.theguardian.com/technology/2017/oct/16/wpa2-wifi-security-vulnerable-hacking-us-government-warns