The microcode_ctl package contains microcode files (vendor-provided binary data and/or code in proprietary format that affects behaviour of a device) for Intel CPUs that may be loaded into the CPU during boot. This directory contains information regarding various aspects of the provided microcode files and their usage. * LICENSE.intel-ucode "license" file from the Intel x86 CPU microcode archive. * README This file. * README.caveats Caveats (mechanism for enabling/disabling usage of sets of microcode files based on caveat configuration and user preferences) documentation. Also contains general information about microcode update behaviour and links with additional information about the relevant microarchitectural vulnerabilities. * README.intel-ucode "README.md" file from the Intel x86 CPU microcode archive. * RELEASE_NOTES.intel-ucode "releasenote.md" file from the Intel x86 CPU microcode archive. * SECURITY.intel-ucode "security.md" file from the Intel x86 CPU microcode archive. * SUMMARY.intel-ucode Information about supplied microcode files extracted from their headers. * caveats Directory that contains readme files for specific caveats.