\u307e\u305f\u65b0\u305f\u306aCPU\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u305f\u3002\u4eca\u5ea6\u306e\u5974\u306fMDS\u3068\u547c\u3070\u308c\u308b\u3089\u3057\u3044\u3002\u4ee5\u524d\u306b\u3082Spectre\u3084Meltdown\u306a\u3069\u306eCPU\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u307e\u305f\u3057\u3066\u3082\u540c\u3058\u3088\u3046\u306a\u8106\u5f31\u6027\u306e\u767a\u898b\u3067\u3042\u308b\u3002<\/p>\n\n\n\n
\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u52dd\u624b\u306b\u30d7\u30ed\u30bb\u30b9\u3092\u8d70\u3089\u305b\u305f\u308a\u3067\u304d\u306a\u3044\u7d14\u7c8b\u306b\u500b\u4eba\u4f7f\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u306a\u306e\u3067\u3001\u5916\u90e8\u304b\u3089\u60aa\u610f\u3092\u3082\u3063\u305f\u30b3\u30fc\u30c9\u3092\u7121\u7406\u3084\u308a\u8d70\u3089\u305b\u308b\u3053\u3068\u306f\u307b\u307c\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u304c\u3001\u3055\u3059\u304c\u306b\u3053\u3046\u3082CPU\u8106\u5f31\u6027\u306e\u767a\u898b\u304c\u76f8\u6b21\u3050\u3068\u5ff5\u306b\u306f\u5ff5\u3092\u5165\u308c\u3066CPU\u8106\u5f31\u6027\u5bfe\u7b56\u3092\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u3044\u3044\u3088\u3046\u306a\u6c17\u304c\u3057\u3066\u304d\u305f\u3002<\/p>\n\n\n\n
\u3055\u3066\u3001\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306fIntel Celeron 847\u3067\u52d5\u3044\u3066\u3044\u308b\u306e\u3067\u3001\u3082\u308d\u3082\u308d\u306eCPU\u8106\u5f31\u6027\u3092\u3070\u3063\u3061\u308a\u62b1\u3048\u3066\u3044\u308b\u306e\u3067\u5bfe\u7b56\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u3053\u306e\u624b\u306eCPU\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u4f55\u3089\u304b\u306e\u65b9\u6cd5\u3067CPU\u306e\u6319\u52d5\u3092\u4fee\u6b63\u3059\u308b\u5bfe\u7b56\u6e08\u307fMicrocode\u3067\u672c\u6765\u306eCPU\u304c\u6301\u3063\u3066\u3044\u308bMicrocode\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3042\u3052\u308b\u65b9\u6cd5\u304cSpectre\/Meltdown\u9a12\u304e\u306e\u6642\u306b\u78ba\u7acb\u3057\u305f\u3002Intel\u306eCPU\u3054\u3068\u306e\u5bfe\u7b56\u72b6\u6cc1\u306e\u8cc7\u6599\u3092\u898b\u308b\u3068\u3001\u6700\u65b0\u306eIntel\u306eMicrocode\u306fCeleron 847\u3067\u52d5\u4f5c\u691c\u8a3c\u6e08\u307f\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001\u3053\u306e\u65b9\u6cd5\u3067\u5bfe\u51e6\u3067\u304d\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u3002Microcode\u3092\u8aad\u307f\u8fbc\u307e\u305b\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308b\u304c\u3001\u6700\u3082\u5b89\u5fc3\u306a\u306e\u306fBIOS\u3067\u4e0a\u66f8\u304d\u3059\u308b\u65b9\u6cd5\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u306f\u53e4\u3044\u306e\u3067\u3001\u4f55\u5e74\u3082\u524d\u304b\u3089BIOS\u306e\u66f4\u65b0\u304c\u6b62\u307e\u3063\u3066\u3044\u308b\u3002\u3068\u306a\u308b\u3068\u3001OS\u30ec\u30d9\u30eb\u3067Microcode\u3092\u8aad\u307f\u8fbc\u307e\u305b\u308b\u3057\u304b\u65b9\u6cd5\u304c\u306a\u3044\u3002\u3068\u3044\u3046\u308f\u3051\u3067Debian\u306e\u8d77\u52d5\u6642\u306bMicrocode\u3092\u8aad\u307f\u8fbc\u307e\u305b\u308b\u3053\u3068\u306b\u3059\u308b\u3002<\/p>\n\n\n\n
Microcode\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u4e8c\u6bb5\u968e\u3067\u3042\u308b\u3002\u307e\u305aKernel\u304c\u8106\u5f31\u6027\u5bfe\u7b56\u6e08\u307f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u5e38\u6642Kernel\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u6700\u65b0\u306b\u66f4\u65b0\u3057\u3066\u3044\u308b\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u554f\u984c\u306a\u304f\u30af\u30ea\u30a2\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n
\u6b21\u306b\u5fc5\u8981\u306a\u306e\u304cintel-microcode\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u3042\u308b\u3002\u3068\u308a\u3042\u3048\u305a\u30d1\u30c3\u30b1\u30fc\u30b8\u30c4\u30ea\u30fc\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3001\u63a2\u3057\u3066\u307f\u308b\u3002\u6700\u8fd1\u3001\u3088\u3046\u3084\u304fapt-get\u3092\u6368\u3066\u3066apt\u30b3\u30de\u30f3\u30c9\u306b\u79fb\u884c\u3057\u305f\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u63a2\u3057\u3066\u3084\u308b\u3002<\/p>\n\n\n\n
apt search intel-microcode<\/p>\n\n\n\n
\u30d1\u30c3\u30b1\u30fc\u30b8\u30c4\u30ea\u30fc\u306b\u306f\u5b58\u5728\u3059\u308b\u3082\u306e\u306e\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u3082\u3057\u3001\u30c4\u30ea\u30fc\u306b\u898b\u3064\u304b\u3089\u306a\u3044\u3068\u304d\u306f\u304a\u305d\u3089\u304fcontrib\u3068non-free\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\/etc\/apt\/sources.list\u304b\u3089\u6b20\u843d\u3057\u3066\u3044\u308b\u306e\u3067\u8db3\u3057\u3066\u3042\u3052\u3088\u3046\u3002\u6b21\u306b\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n\n\n\n
sudo apt install intel-microcode<\/p>\n\n\n\n
\u3053\u308c\u3067\u4f9d\u5b58\u95a2\u4fc2\u306e\u3042\u308biucode-tool\u3068\u4e00\u7dd2\u306bintel-microcode\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u3002intel-microcode\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u8d77\u52d5\u6642\u306b\u4fee\u6b63\u6e08\u307fMicrocode\u3092CPU\u306b\u4e0a\u66f8\u304d\u3059\u308b\u306e\u3067\u3001\u8d77\u52d5\u6642\u306b\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u53ce\u3081\u3089\u308c\u3066\u3044\u308binitramfs\u306e\u5185\u5bb9\u304c\u81ea\u52d5\u7684\u306b\u66f4\u65b0\u3055\u308c\u308b\u3002\u3042\u3068\u306f\u3001\u518d\u8d77\u52d5\u3055\u305b\u3066\u3084\u308b\u3068\u8d77\u52d5\u30d7\u30ed\u30bb\u30b9\u4e2d\u306bMicrocode\u306e\u4e0a\u66f8\u304d\u304c\u884c\u308f\u308c\u3066\u8106\u5f31\u6027\u5bfe\u7b56\u306f\u7d42\u4e86\u3067\u3042\u308b\u3002<\/p>\n\n\n\n
\u4e00\u5fdc\u3001\u6b63\u3057\u304fMicrocode\u306e\u4e0a\u66f8\u304d\u304c\u884c\u308f\u308c\u305f\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3002<\/p>\n\n\n\n
sudo dmesg | grep “microcode updated early to”<\/p>\n\n\n\n
\u8d77\u52d5\u30d7\u30ed\u30bb\u30b9\u4e2d\u306e\u52d5\u4f5c\u306fdmesg\u306b\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u5b9f\u969b\u306b\u4e0a\u66f8\u304d\u304c\u884c\u308f\u308c\u3066\u3044\u308c\u3070\u305d\u306e\u30ed\u30b0\u306b\u4e0a\u66f8\u304d\u3055\u308c\u305fMicrocode\u306e\u30ea\u30d3\u30b8\u30e7\u30f3\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3002\u4ee5\u5f8c\u306f\u3001\u666e\u901a\u306b\u3044\u3064\u3082\u3069\u304a\u308a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6020\u3089\u305a\u306b\u5b9f\u884c\u3057\u3066\u3044\u308c\u3070\u3001\u5c06\u6765\u306eCPU\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3082\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u64cd\u4f5c\u3067\u8ffd\u52a0\u5bfe\u7b56\u304c\u81ea\u52d5\u7684\u306b\u884c\u308f\u308c\u308b\u306f\u305a\u3067\u3042\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u307e\u305f\u65b0\u305f\u306aCPU\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u305f\u3002\u4eca\u5ea6\u306e\u5974\u306fMDS\u3068\u547c\u3070\u308c\u308b\u3089\u3057\u3044\u3002\u4ee5\u524d\u306b\u3082Spectre\u3084Meltdown\u306a\u3069\u306eCPU\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u307e\u305f\u3057\u3066\u3082\u540c\u3058\u3088\u3046\u306a\u8106\u5f31\u6027\u306e\u767a\u898b\u3067\u3042\u308b\u3002 \u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4 … “Intel Microcode\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[2],"tags":[],"class_list":["post-427","post","type-post","status-publish","format-standard","hentry","category-2"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4j6YI-6T","jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/comments?post=427"}],"version-history":[{"count":1,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/427\/revisions"}],"predecessor-version":[{"id":428,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/posts\/427\/revisions\/428"}],"wp:attachment":[{"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/media?parent=427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/categories?post=427"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bam-system.ddo.jp\/wordpress\/ura\/wp-json\/wp\/v2\/tags?post=427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}