Tricky VPN-busting bug lurks in iOS, Android, Linux distros, macOS, FreeBSD, OpenBSD, say university eggheads

OpenVPN, WireGuard, IKEv2/IPSec also vulnerable to tampering flaw, we're told

A bug in the way Unix-flavored systems handle TCP connections could put VPN users at risk of having their encrypted traffic hijacked, it is claimed."