The headline and a lot of the writeup is very confusing. This attack does not let you modify architectural state, only speculative state. The headlines sound li

The headline and a lot of the writeup is very confusing. This attack does not let you modify architectural state, only speculative state. The headlines sound like you can corrupt the values that the program actually ends up using, but you can't. You can only modify speculative state and use those changes to get more control over what data is leaked through side channels.