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Tom’s Hardware
Tom’s Hardware
Technology
Aaron Klotz

Ryzen 3000 fix for 'Sinkclose' vulnerability arrives tomorrow — AMD reverses course and will patch Ryzen 3000 after all [Updated]

AMD
AMD Ryzen 3000-Series Processor.

AMD has reversed course and decided to patch the new 'Sinkclose' vulnerability on Ryzen 3000 desktop processors after all. AMD updated its SMM Lock Bypass Security Bulletin, which now includes a fix for Ryzen 3000 desktop CPUs (codenamed Matisse) scheduled for tomorrow, August 20.

Sinkclose is a significant security vulnerability that has affected virtually all AMD processors since 2006. The vulnerability takes advantage of a flaw within the System Management Mode (SMM) in affected chips, allowing hackers to execute code within the SMM. This makes attacks made from the SMM virtually impossible to detect via antivirus software. The vulnerability is difficult to detect and delete and can even persist after an OS reinstall.

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