542
Encryption-breaking, password-leaking bug in many AMD CPUs could take months to fix
(arstechnica.com)
this post was submitted on 25 Jul 2023
542 points (97.2% liked)
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So far the word is the microcode fix causes negligible performance impact, but using the MSR fix causes 5-15% loss. In my own testing on EPYC hardware, microcode made no noticable difference to my workloads and benchmarks. Same as random noise in results.