webmaster@theregister.co.uk (Thomas Claburn) / The Register
Older AMD, Intel chips vulnerable to data-leaking Retbleed Spectre variant – Speculative execution side-channels continue to haunt silicon world Older AMD and Intel chips are vulnerable to yet another Spectre-based speculative-execution attack that exposes secrets within kernel memory despite defenses already in place. Mitigating this side channel is expected to take a toll on performance. …