AMD Zen 5 Critical Bug Explained: What You Need to Know & How AMD is Fixing It (2025)

A critical bug has been discovered in AMD's Zen 5 chips, but fear not, a solution is already in the works! This issue, uncovered by a Meta engineer, affects the processor's pseudorandom number generator, a crucial component for security.

The bug, known as RDSEED, can produce incorrect results up to 10% of the time, compromising the security of systems that rely on these random numbers. It's like the processor is rolling dice, but sometimes it just doesn't feel like it, and that's a problem!

This bug affects a wide range of AMD processors, including the EPYC 9005 Series, Ryzen 9000, and Ryzen AI models, to name a few. However, there's a silver lining: the 64-bit version of RDSEED remains unaffected and can be used as a temporary fix.

AMD is already rolling out updates to address this issue. The patch for the EPYC 9005 Series is already available, and other processors will receive updates soon.

So, while this bug is certainly a cause for concern, it's great to see AMD taking swift action to ensure the security of their processors.

What do you think about this critical bug and AMD's response? Share your thoughts in the comments below!

AMD Zen 5 Critical Bug Explained: What You Need to Know & How AMD is Fixing It (2025)
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