{"id":113443,"date":"2023-08-29T11:31:41","date_gmt":"2023-08-29T02:31:41","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=113443"},"modified":"2023-08-29T11:31:41","modified_gmt":"2023-08-29T02:31:41","slug":"intel-cpu-downfall-mitigation","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/intel-cpu-downfall-mitigation\/","title":{"rendered":"Microsoft\u3001Intel CPU\u306e\u8106\u5f31\u6027\u300cDownfall\u300d\u306e\u8efd\u6e1b\u65b9\u6cd5\u3068\u89e3\u9664\u65b9\u6cd5\u3092\u6848\u5185"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2023\/08\/s-2023-08-29-11.15.38.png\" alt=\"S 2023 08 29 11 15 38\" title=\"s 2023-08-29 11.15.38.png\" border=\"0\" width=\"860\" height=\"560\" \/><\/p>\n<p>Intel\u306f\u5148\u65e5\u3001\u4e00\u90e8\u306eIntel\u88fd\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u3001\u60c5\u5831\u6f0f\u3048\u3044\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u300cDownfall(CVE-2022-40982)\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092<a href=\"https:\/\/softantenna.com\/blog\/intel-cpu-downfall\/\">\u767a\u8868<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306f\u300cGDS(Gather Data Sampling\u300d\u3068\u3082\u547c\u3070\u308c\u3001\u30e6\u30fc\u30b6\u30fc \u30ab\u30fc\u30cd\u30eb\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u4eee\u60f3\u30de\u30b7\u30f3(VM)\u3001\u4fe1\u983c\u3055\u308c\u305f\u5b9f\u884c\u74b0\u5883\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5883\u754c\u3092\u8d8a\u3048\u3066\u3001CPU \u304b\u3089\u30c7\u30fc\u30bf\u3092\u63a8\u8ad6\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u6700\u65b0\u4e16\u4ee3\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u3082\u306e\u306e\u3001\u300cSkylake\u300d(2015\u5e74\u767a\u58f2\u306e\u7b2c6\u4e16\u4ee3\u30d7\u30ed\u30bb\u30c3\u30b5)\u304b\u3089\u3001\u300cTiger Lake\u300d(2020\u5e74\u767a\u58f2\u306e\u7b2c11\u4e16\u4ee3Core\u30d7\u30ed\u30bb\u30c3\u30b5)\u307e\u3067\u306e\u5e45\u5e83\u3044\u4e16\u4ee3\u306eCPU\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<p>Microsoft\u304c\u3053\u306e\u8106\u5f31\u6027\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30b5\u30dd\u30fc\u30c8\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<a href=\"https:\/\/support.microsoft.com\/ja-jp\/topic\/kb5029778-cve-2022-40982-%E3%81%AB%E9%96%A2%E9%80%A3%E3%81%99%E3%82%8B%E8%84%86%E5%BC%B1%E6%80%A7%E3%82%92%E7%AE%A1%E7%90%86%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95-d461157c-0411-4a91-9fc5-9b29e0fe2782\">KB5029778<\/a>\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068\u3001CVE-2022-40982\u306b\u95a2\u9023\u3057\u305f\u8106\u5f31\u6027\u3092\u8efd\u6e1b\u3059\u308b\u306b\u306fIntel Platform Update(IPU) 23.3\u30de\u30a4\u30af\u30ed\u30b3\u30fc\u30c9\u66f4\u65b0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u6a5f\u5668\u30e1\u30fc\u30ab\u30fc(OEM)\u304b\u3089\u5165\u624b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u8106\u5f31\u6027\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306e\u305d\u308c\u4ee5\u4e0a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee5\u4e0b\u306eWindows\u74b0\u5883\u3067\u306f\u3001GDS\u8efd\u6e1b\u7b56\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>Windows 10\/11: 2023\u5e748\u670822\u65e5\u4ee5\u964d\u306eWindows\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3002<\/li>\n<li>Windows Server: 2023\u5e749\u670812\u65e5\u4ee5\u964d\u306eWindows\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u4e0a\u3067\u3001\u4ee5\u4e0b\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre>\n\n\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u5834\u6240: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory Management\n\n\u5024\u540d: FeatureSettingsOverride\n\n\u5024\u306e\u7a2e\u985e: REG_DWORD\n\n\u5024\u30c7\u30fc\u30bf: 0x2000000 (16 \u9032\u6570)\n<\/pre>\n<p>\u3082\u3057\u304f\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre>\nreg add \"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory Management\" \/v FeatureSettingsOverride \/t REG_DWORD \/d 33554432 \/f\n<\/pre>\n<p>\u306a\u304a\u3001Hyper-V(\u4eee\u60f3\u5316(\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u8efd\u6e1b\u7b56\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Intel\u306f\u5148\u65e5\u3001\u4e00\u90e8\u306eIntel\u88fd\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u3001\u60c5\u5831\u6f0f\u3048\u3044\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u300cDownfall(CVE-2022-40982)\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002 \u8106\u5f31\u6027\u306f\u300cGDS(Gath [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":113444,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4652,531],"class_list":["post-113443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-downfall","tag-intel"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/113443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=113443"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/113443\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/113444"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=113443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=113443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=113443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}