And it takes around an hour to do this in lab setting locally:

> An enabling property of this race condition is that a lost race only fails the handshake without crashing the whole system, so a determined attacker can retry indefinitely until they succeed. In our proof of concept, it takes 48 minutes to leak a kernel pointer and another five minutes to reach the shell command execution

source: https://www.anthropic.com/research/discovering-vulnerabiliti...