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Kernel mode not good enough for you? Maybe you'll like SMM of this Some AMD processors dating back to 2006 have a security vulnerability that's a boon for particularly underhand malware and rogue insiders, though the chip designer is only patching models made since 2020.…
AMD is warning about a high-severity CPU vulnerability named SinkClose that impacts multiple generations of its EPYC, Ryzen, and Threadripper processors. The vulnerability allows attackers with Kernel-level (Ring 0) privileges to gain Ring -2 privileges and install malware that becomes nearly undetectable. [...]
Zen 2 flaw more simple than Spectre, exploit code already out there – get patching when you can AMD has started issuing some patches for its processors affected by a serious silicon-level bug dubbed Zenbleed that can be exploited by rogue users and malware to steal passwords, cryptographic keys, and other secrets from software running on a vulnerable system.…