https://cbuctok.github.io/digitaliziran.si/tags/infrastructure/Recent content in Infrastructure on Digitaliziran siHugoenSun, 12 Apr 2026 07:21:05 +0000https://cbuctok.github.io/digitaliziran.si/2026/04/12/the-security-debt-behind-nvidias-gh200-what-the-marketing-materials-wont-tell-you/Sun, 12 Apr 2026 07:21:05 +0000https://cbuctok.github.io/digitaliziran.si/2026/04/12/the-security-debt-behind-nvidias-gh200-what-the-marketing-materials-wont-tell-you/<p>You deployed NVIDIA&rsquo;s GH200 Grace Hopper for its unified CPU-GPU memory architecture - the selling point that makes it a powerhouse for AI and HPC workloads. What nobody mentioned: your operating system is silently placing sensitive data into GPU memory without explicit application intent. And NVIDIA has known about it since at least October 2025.</p> <p><a href="https://cbuctok.github.io/digitaliziran.si/2025/02/10/adventures-in-setting-up-nvidias-gh200-grace-hopper-a-tale-of-two-systems/">Fourteen months ago, I wrote about the excitement of setting up this hardware</a> - two systems in one, a Grace CPU paired with a Hopper GPU and a BlueField-3 DPU for good measure. The setup had its quirks, but the promise was clear. Since then, I have been cataloguing what the marketing materials leave out. This is the security reckoning that setup experience did not prepare me for.</p>