The Linux kernel has patched a bug in the RDSEED entropy generator that caused AMD Zen5 chips to fail to produce random numbers.

The Linux kernel has patched a bug in the RDSEED entropy generator that caused AMD Zen5 chips to fail to produce random numbers.

The patch disables RDSEED and forces all AMD Zen5 processors to use RDRAND for generating random numbers.

[PATCH v2] x86/amd: Disable RDSEED on AMD Zen5 because of an error. - Gregory Price

(lore.kernel.org)