{"id":97020,"date":"2022-04-21T10:17:16","date_gmt":"2022-04-21T01:17:16","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=97020"},"modified":"2022-04-21T10:17:16","modified_gmt":"2022-04-21T01:17:16","slug":"lenovo-bios-vulnerability","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/lenovo-bios-vulnerability\/","title":{"rendered":"\u3010\u8981\u6ce8\u610f\u3011\u5927\u91cf\u306eLenovo\u30ce\u30fc\u30c8PC\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059BIOS\u306e\u8106\u5f31\u6027\u304c\u767a\u898b - \u8a72\u5f53\u6a5f\u7a2e\u306f\u65e9\u6025\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2022\/04\/s_20220421_95750.jpg\" alt=\"S 20220421 95750\" title=\"s_20220421_95750.jpg\" border=\"0\" width=\"1169\" height=\"707\" \/><\/p>\n<p>Lenovo\u88fd\u306e\u30ce\u30fc\u30c8PC\u306e\u591a\u6570\u306b\u5f71\u97ff\u3059\u308b\u6df1\u523b\u306aBIOS\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(<a href=\"https:\/\/www.ghacks.net\/2022\/04\/20\/millions-of-lenovo-devices-affected-by-bios-vulnerability\/\">gHacks<\/a>)\u3002\u540c\u793e\u306f\u8106\u5f31\u6027\u3092<a href=\"https:\/\/support.lenovo.com\/us\/en\/product_security\/LEN-73440\">\u516c\u5f0f\u30b5\u30a4\u30c8<\/a>\u3067\u5468\u77e5\u3057\u3066\u304a\u308a\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4e00\u90e8\u306e\u6a5f\u7a2e\u306b\u95a2\u3057\u3066\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30fb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u3059\u3067\u306b\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u3044\u307e\u3059\u3002\u6b8b\u308a\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30825\u6708\u4e0a\u65ec\u306b\u306f\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\u306b\u3088\u308b\u3068Lenovo\u88fd\u30ce\u30fc\u30c8PC\u306eBIOS\u306b\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u305f\u3068\u306e\u3053\u3068\u3002<\/p>\n<ul>\n<li>CVE-2021-3970: Lenovo\u30ce\u30fc\u30c8PC\u306e\u4e00\u90e8\u30e2\u30c7\u30eb\u3067LenovoVariable SMI Handler\u306e\u691c\u8a3c\u304c\u4e0d\u5341\u5206\u306a\u305f\u3081\u3001\u30ed\u30fc\u30ab\u30eb\u30a2\u30af\u30bb\u30b9\u304a\u3088\u3073\u6607\u683c\u3057\u305f\u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304c\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u6f5c\u5728\u7684\u306a\u8106\u5f31\u6027\u304c\u5b58\u5728\u3002<\/li>\n<li>CVE-2021-3971: \u4e00\u90e8\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u5411\u3051Lenovo\u30ce\u30fc\u30c8PC\u306e\u53e4\u3044\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f\u30c9\u30e9\u30a4\u30d0\u304c\u8aa4\u3063\u3066BIOS\u30a4\u30e1\u30fc\u30b8\u306b\u542b\u307e\u308c\u3066\u3044\u305f\u5834\u5408\u3001\u6607\u683c\u3057\u305f\u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304cNVRAM\u5909\u6570\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u4fdd\u8b77\u9818\u57df\u3092\u5909\u66f4\u3067\u304d\u308b\u6f5c\u5728\u7684\u306a\u8106\u5f31\u6027\u304c\u5b58\u5728\u3002<\/li>\n<li>CVE-2021-3972: \u4e00\u90e8\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u5411\u3051Lenovo\u30ce\u30fc\u30c8PC\u306e\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30c9\u30e9\u30a4\u30d0\u304c\u8aa4\u3063\u3066\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u6607\u683c\u3057\u305f\u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u304cNVRAM\u5909\u6570\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u8a2d\u5b9a\u3092\u5909\u66f4\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<p>\u8106\u5f31\u6027\u306fLenovo IdeaPad 3\u3001Flex 3\u3001L340\u3001Legion 5\/7\u3001Legion Y540\u3001S14\u3001S145\u3001S540\u3001Slim 7\/9\u3001V14\/V15\u3001Yoga Slim 7\u306a\u3069\u306e\u88fd\u54c1\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3001\u5bfe\u8c61\u3068\u306a\u308b\u30e2\u30c7\u30eb\u5168\u88fd\u54c1\u306e\u30ea\u30b9\u30c8\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2022\/04\/s_20220421_100740.jpg\" alt=\"S 20220421 100740\" title=\"s_20220421_100740.jpg\" border=\"0\" width=\"1276\" height=\"538\" \/><\/p>\n<p>\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3057\u305f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306f\u3001\u88fd\u54c1\u6bce\u306e\u30b5\u30dd\u30fc\u30c8\u30da\u30fc\u30b8\u3092\u958b\u304d\u300cBIOS\/UEFI\u300d\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u30da\u30fc\u30b8\u306b\u3082\u8106\u5f31\u6027\u306e\u4e00\u89a7\u3084\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u9069\u7528\u65b9\u6cd5\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>BIOS\u306e\u66f4\u65b0\u306b\u306f\u30ea\u30b9\u30af\u304c\u4f34\u3046\u305f\u3081\u3001\u66f4\u65b0\u524d\u306b\u3088\u304f\u78ba\u8a8d\u3057\u3066\u304b\u3089\u5b9f\u884c\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lenovo\u88fd\u306e\u30ce\u30fc\u30c8PC\u306e\u591a\u6570\u306b\u5f71\u97ff\u3059\u308b\u6df1\u523b\u306aBIOS\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(gHacks)\u3002\u540c\u793e\u306f\u8106\u5f31\u6027\u3092\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u5468\u77e5\u3057\u3066\u304a\u308a\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4e00\u90e8\u306e\u6a5f\u7a2e\u306b\u95a2\u3057\u3066\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30fb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u3059\u3067\u306b\u30ea [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":97021,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[24],"tags":[2651,1979],"class_list":["post-97020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hard","tag-bioshock","tag-lenovo"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/97020","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=97020"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/97020\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/97021"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=97020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=97020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=97020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}