1*48d6e6abSAndy FiddamanIn 2025, AMD made changes to their microcode signature verification following 2*48d6e6abSAndy Fiddamanpublication of CVE-2024-36347. 3*48d6e6abSAndy Fiddaman 4*48d6e6abSAndy Fiddamanhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html 5*48d6e6abSAndy Fiddaman 6*48d6e6abSAndy FiddamanAs a result it is not possible to install the latest microcode release on 7*48d6e6abSAndy Fiddamansystems which have not had their platform image (usually included with BIOS) 8*48d6e6abSAndy Fiddamanupdated. 9*48d6e6abSAndy Fiddaman 10*48d6e6abSAndy FiddamanThis directory contains older versions of microcode for affected systems, 11*48d6e6abSAndy Fiddamanwhich is used as a fallback when the latest microcode is not accepted by 12*48d6e6abSAndy Fiddamanthe CPU. 13