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AMD’s SinkClose Vulnerability: Why Your Older CPU Might Be a Hacker’s Dream
Some AMD processors dating back to 2006 have a security vulnerability, codenamed SinkClose, that allows malicious software to run code in System Management Mode. AMD is only patching models made since 2020. This flaw could let attackers take over and spy on systems, making it…
Hot Take:
“AMD’s processors are feeling their age, and it looks like some of them will have to fend off hackers using their walking canes and dentures. But hey, at least the newer chips are getting a firmware facelift!”
Key Points:
- AMD processors dating back to 2006 have a critical security flaw known as SinkClose (CVE-2023-31315).
- The vulnerability allows code execution in System Management Mode (SMM), a highly privileged environment.
- Only processors made since 2020 are getting patches via firmware updates or hot-loadable microcode updates.
- Older processors, including some Ryzen models, are left without a fix, as AMD considers them out of support.
- The flaw impacts a wide range of AMD CPUs, including certain Epyc and Ryzen models.
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