Security News > 2025 > February > Google: How to make any AMD Zen CPU always generate 4 as a random number
2025-02-04 23:30
Malicious microcode vulnerability discovered, fixes rolling out for Epycs at least Googlers have not only figured out how to break AMD's security – allowing them to load unofficial microcode into its processors to modify the silicon's behavior as they wish – but also demonstrated this by producing a microcode patch that makes the chips always output 4 when asked for a random number.…
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https://go.theregister.com/feed/www.theregister.com/2025/02/04/google_amd_microcode/