Thread

1. 349ru3h4f03 · 1790075025 · focus · HN ↗

   <a href="https:&#x2F;&#x2F;www.amd.com&#x2F;en&#x2F;resources&#x2F;product-security&#x2F;bulletin&#x2F;amd-sb-7055.html" rel="nofollow">https:&#x2F;&#x2F;www.amd.com&#x2F;en&#x2F;resources&#x2F;product-security&#x2F;bulletin&#x2F;a...

   1. peri-cl · 1790075489 · focus · HN ↗

      The OP says they discovered this on a Zen 2, which is not covered by that bulletin (?)

      [edit to add]: Also, the bulletin is solely about RDSEED zeros, whereas the OP is also reporting RDRAND zeroes.

      1. ciupicri · 1790077284 · focus · HN ↗

         Older AMD processors had issues as well:

         <a href="https:&#x2F;&#x2F;github.com&#x2F;systemd&#x2F;systemd&#x2F;pull&#x2F;12536&#x2F;commits&#x2F;1c53d4a070edbec8ad2d384ba0014d0eb6bae077" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;systemd&#x2F;systemd&#x2F;pull&#x2F;12536&#x2F;commits&#x2F;1c53d4...

         1. matja · 1790080491 · focus · HN ↗

            Why does systemd use architecture-specific instructions rather than using the kernel-provided random interface in the first place?

            1. claudex · 1790081320 · focus · HN ↗

               It was removed later <a href="https:&#x2F;&#x2F;github.com&#x2F;systemd&#x2F;systemd&#x2F;commit&#x2F;ffa047a03e4c5f6bd3af73b7eecb99cd230fe204" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;systemd&#x2F;systemd&#x2F;commit&#x2F;ffa047a03e4c5f6bd3...

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