AMD Confirms a Bug in Zen 5 Affecting Cryptographic Security; Fixes Coming This Month

Eteknix • November 3, 2025

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AMD has released a security notice confirming a bug in its Zen 5 architecture that could impact the security of systems using these processors.

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AMD Confirms Cryptographic Security Bug in Zen 5 Processors AMD has confirmed a security vulnerability in its Zen 5 architecture related to RDSEED functionality. This bug could affect the cryptographic security of systems utilizing these processors. A fix is expected to be released within the month. 2 sources 33

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Zen 5 architecture