amd microcode

  1. CVE-2025-21991: Linux AMD microcode loader fix for CPU-less NUMA nodes

    A subtle bounds-checking bug in the Linux kernel’s AMD microcode loader has quietly become a high-priority fix for distributors and administrators: CVE‑2025‑21991 corrects an out‑of‑bounds access in arch/x86’s AMD microcode path that can corrupt memory when microcode is flashed on systems with...
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    • amd microcode cve 2025 21991 linux kernel numa topology
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