AMD FP-DSS Security Bug For Zen 1 CPUs Made Public, Linux Kernel Patched
Linux Hardware Reviews & Performance Benchmarks, Open-Source Ne…
April 18, 2026
Made public today was the Floating Point Divider State Sampling bug (stylized as FP-DSS or FPDSS) affecting original AMD Zen 1 (and Zen 1+) processors. The Linux kernel is already to go with a security fix for those still relying on the very first Ryzen or EPYC processors...
Discussion in the ATmosphere