{"id":1013,"date":"2026-05-11T10:15:10","date_gmt":"2026-05-11T01:15:10","guid":{"rendered":"https:\/\/www.hpc.co.jp\/support\/?page_id=1013"},"modified":"2026-05-12T09:06:54","modified_gmt":"2026-05-12T00:06:54","slug":"linux-cve-pending-dirty-frag","status":"publish","type":"page","link":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/","title":{"rendered":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5"},"content":{"rendered":"<div id=\"page_head\" class=\"security_rick\">\n<div class=\"inviewfadeIn animated\">\n<div class=\"top_title_en\">Security Risk<\/div>\n<h1 class=\"top_title_jp\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8<\/h1>\n<\/div>\n<\/div>\n<div id=\"page_container\">\n<div class=\"pnkz\"><!-- Breadcrumb NavXT 6.2.1 --><br \/>\n<a href=\"https:\/\/www.hpc.co.jp\">\u30db\u30fc\u30e0<\/a> &gt; <a href=\"https:\/\/www.hpc.co.jp\/support\">\u30b5\u30dd\u30fc\u30c8<\/a> &gt; <a href=\"https:\/\/www.hpc.co.jp\/support\/faq\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56\u7279\u8a2d\u30da\u30fc\u30b8<\/a> &gt; Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5<\/div>\n<section class=\"container\">\n<div class=\"block\">\n<div class=\"top_content\">\n<h2 class=\"title_full\">Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n<\/div>\n<div class=\"innerWrap\">\n<div class=\"simple_area\">\n<p>Linux\u30ab\u30fc\u30cd\u30eb\u306e\u6697\u53f7\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u7279\u6a29\u6607\u683c\u306e\u8106\u5f31\u6027\uff08Dirty Frag\u3001CVE-2026-43284, CVE-2026-43500\uff09\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u672c\u8106\u5f31\u6027\u306f\u3001\u975e\u7279\u6a29\u306e\u30ed\u30fc\u30ab\u30eb\u30e6\u30fc\u30b6\u30fc\u304croot\u6a29\u9650\u3092\u53d6\u5f97\u53ef\u80fd\u306a\u6975\u3081\u3066\u6df1\u523b\u306a\u554f\u984c\u3067\u3059\u30022026\u5e745\u67087\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u672c\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3001\u5f0a\u793e\u30b5\u30fc\u30d0\u88fd\u54c1\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3068\u5bfe\u51e6\u65b9\u6cd5\u3092\u3054\u6848\u5185\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u8106\u5f31\u6027\u306f\u3001\u5148\u65e5\u516c\u958b\u3055\u308c\u305fCVE-2026-31431\uff08Copy Fail\uff09\u306e\u66ab\u5b9a\u5bfe\u51e6\uff08algif_aead\u7121\u52b9\u5316\uff09\u304c\u9069\u7528\u3055\u308c\u305f\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3001\u5f15\u304d\u7d9a\u304d\u8106\u5f31\u6027\u304c\u6b8b\u5b58\u3059\u308b\u70b9\u306b\u7559\u610f\u3055\u308c\u305f\u3044\u5185\u5bb9\u3067\u3059\u3002\u4e21\u8106\u5f31\u6027\u3092\u4f75\u305b\u3066\u3054\u78ba\u8a8d\u306e\u4e0a\u3001\u901f\u3084\u304b\u306a\u5bfe\u5fdc\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0bURL\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/V4bel\/dirtyfrag\">https:\/\/github.com\/V4bel\/dirtyfrag<\/a><\/li>\n<li><a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/new-linux-dirty-frag-zero-day-with-poc-exploit-gives-root-privileges\/\">https:\/\/www.bleepingcomputer.com\/news\/security\/new-linux-dirty-frag-zero-day-with-poc-exploit-gives-root-privileges\/<\/a><\/li>\n<li><a href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2026\/05\/07\/8\">https:\/\/www.openwall.com\/lists\/oss-security\/2026\/05\/07\/8<\/a><\/li>\n<\/ul>\n<h2>\u8106\u5f31\u6027\u306e\u6982\u8981<\/h2>\n<p>Linux\u30ab\u30fc\u30cd\u30eb\u306exfrm\uff08ESP: IPsec Encapsulating Security Payload\uff09\u304a\u3088\u3073RxRPC\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u66f8\u304d\u63db\u3048\u304c\u4e0d\u9069\u5207\u306b\u884c\u308f\u308c\u308b\u8a2d\u8a08\u4e0d\u5099\u304c\u5b58\u5728\u3057\u307e\u3059\u30022\u3064\u306e\u8106\u5f31\u6027\uff08xfrm-ESP Page-Cache Write\u304a\u3088\u3073RxRPC Page-Cache Write\uff09\u3092\u9023\u9396\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u975e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u304c\u4efb\u610f\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u66f8\u304d\u63db\u3048\u3001setuid\u30d0\u30a4\u30ca\u30ea\u306e\u6539\u3056\u3093\u3092\u901a\u3058\u3066root\u6a29\u9650\u3092\u53d6\u5f97\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<ul data-line=\"18\">\n<li><strong class=\"previewStrong_f964f48e\">\u8106\u5f31\u6027\u540d\u79f0<\/strong>: Dirty Frag<\/li>\n<li><strong class=\"previewStrong_f964f48e\">CVE\u756a\u53f7<\/strong>: CVE-2026-43284, CVE-2026-43500<\/li>\n<li><strong class=\"previewStrong_f964f48e\">\u6df1\u523b\u5ea6<\/strong>: CVSS v3.1 \u30b9\u30b3\u30a2 7.8\uff08High\uff09<\/li>\n<li><strong class=\"previewStrong_f964f48e\">\u653b\u6483\u6761\u4ef6<\/strong>: \u30ed\u30fc\u30ab\u30eb\u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\uff08\u30ea\u30e2\u30fc\u30c8\u653b\u6483\u4e0d\u53ef\uff09<\/li>\n<li><strong class=\"previewStrong_f964f48e\">\u5f71\u97ff<\/strong>: \u30ed\u30fc\u30ab\u30eb\u7279\u6a29\u6607\u683c\u3001\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7<\/li>\n<li><strong class=\"previewStrong_f964f48e\">\u653b\u6483\u306e\u7279\u5fb4<\/strong>: \u6c7a\u5b9a\u8ad6\u7684\u8ad6\u7406\u30d0\u30b0\u3067\u3042\u308a\u3001\u30ec\u30fc\u30b9\u6761\u4ef6\u4e0d\u8981\u3001\u6210\u529f\u78ba\u7387\u304c\u6975\u3081\u3066\u9ad8\u3044<\/li>\n<li><strong class=\"previewStrong_f964f48e\">\u5f71\u97ff\u671f\u9593<\/strong>: xfrm-ESP\u306f2017\u5e74\u4ee5\u964d\u3001RxRPC\u306f2023\u5e74\u4ee5\u964d<\/li>\n<\/ul>\n<p>\u672c\u8106\u5f31\u6027\u306fDirty Pipe\u304a\u3088\u3073Copy Fail\u3068\u540c\u3058\u300cPage-Cache Write\u300d\u30d0\u30b0\u30af\u30e9\u30b9\u306b\u5c5e\u3057\u307e\u3059\u3002\u7279\u7b46\u3059\u3079\u304d\u70b9\u306f\u3001Copy Fail\u306e\u66ab\u5b9a\u5bfe\u51e6\uff08algif_aead\u306e\u7121\u52b9\u5316\uff09\u3092\u9069\u7528\u6e08\u307f\u306e\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3001\u672c\u8106\u5f31\u6027\u306f\u72ec\u7acb\u3057\u3066\u767a\u52d5\u3057\u3001root\u6a29\u9650\u306e\u53d6\u5f97\u304c\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3>2\u3064\u306e\u8106\u5f31\u6027\u306e\u9023\u9396<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; height: 72px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; text-align: center; height: 24px;\">\u8106\u5f31\u6027<\/td>\n<td style=\"width: 25%; text-align: center; height: 24px;\">\u30c8\u30ea\u30ac\u30fc<\/td>\n<td style=\"width: 25%; text-align: center; height: 24px;\">\u524d\u63d0\u6761\u4ef6<\/td>\n<td style=\"width: 25%; text-align: center; height: 24px;\">\u88dc\u5b8c\u95a2\u4fc2<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px;\">xfrm-ESP Page-Cache Write<\/td>\n<td style=\"width: 25%; height: 24px;\">esp4\/esp6\u30e2\u30b8\u30e5\u30fc\u30eb<\/td>\n<td style=\"width: 25%; height: 24px;\">\u975e\u7279\u6a29\u30e6\u30fc\u30b6\u30fc\u540d\u524d\u7a7a\u9593\u306e\u4f5c\u6210\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/td>\n<td style=\"width: 25%; height: 24px;\">\u591a\u304f\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u6a19\u6e96\u642d\u8f09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px;\">RxRPC Page-Cache Write<\/td>\n<td style=\"width: 25%; height: 24px;\">rxrpc\u30e2\u30b8\u30e5\u30fc\u30eb<\/td>\n<td style=\"width: 25%; height: 24px;\">\u7279\u306b\u4e0d\u8981\uff08Ubuntu\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067rxrpc.ko\u304c\u30ed\u30fc\u30c9\uff09<\/td>\n<td style=\"width: 25%; height: 24px;\">Ubuntu\u7b49\u3001\u540d\u524d\u7a7a\u9593\u5236\u9650\u74b0\u5883\u306e\u76f2\u70b9\u3092\u88dc\u5b8c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2\u3064\u306e\u8106\u5f31\u6027\u3092\u9023\u9396\u3055\u305b\u308b\u3053\u3068\u306b\u3088\u308a\u3001Ubuntu\uff08AppArmor\u306b\u3088\u308b\u540d\u524d\u7a7a\u9593\u5236\u9650\u3042\u308a\uff09\u3001RHEL\u3001CentOS Stream\u3001AlmaLinux\u3001Fedora\u3001openSUSE\u7b49\u5404\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u5168\u3066\u306b\u304a\u3044\u3066root\u6a29\u9650\u306e\u53d6\u5f97\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3 id=\"\" data-line=\"37\">\u5bfe\u8c61\u3068\u306a\u308b\u30ab\u30fc\u30cd\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3<\/h3>\n<ul data-line=\"39\">\n<li>xfrm-ESP Page-Cache Write: 2017\u5e741\u6708\u306e\u30b3\u30df\u30c3\u30c8\uff08cac2661c53f3\uff09\u4ee5\u964d<\/li>\n<li>RxRPC Page-Cache Write: 2023\u5e74\u306e\u30b3\u30df\u30c3\u30c8\uff082dc334f1a63a\uff09\u4ee5\u964d<\/li>\n<\/ul>\n<h2>\u5f0a\u793e\u30b5\u30fc\u30d0\u88fd\u54c1\u306e\u5bfe\u5fdc\u72b6\u6cc1\uff082026\u5e745\u67088\u65e5\u73fe\u5728\uff09<\/h2>\n<h3>Ubuntu LTS\uff0820.04 \/ 22.04 \/ 24.04\uff09<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; height: 96px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 24px;\">\n<th style=\"width: 20%; height: 24px;\">\u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n<th style=\"width: 20%; height: 24px;\">\u5bfe\u8c61\u30ab\u30fc\u30cd\u30eb<\/th>\n<th style=\"width: 20%; height: 24px;\">\u30d1\u30c3\u30c1\u6e08\u307f\u30ab\u30fc\u30cd\u30eb<\/th>\n<th style=\"width: 20%; height: 24px;\">\u66ab\u5b9a\u5bfe\u51e6<\/th>\n<th style=\"width: 20%; height: 24px;\">\u30d1\u30c3\u30c1\u63d0\u4f9b\u72b6\u6cc1<\/th>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 20%; height: 24px;\">24.04 LTS<\/td>\n<td style=\"width: 20%; height: 24px;\">6.x\u7cfb\u5168\u822c<\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u672a\u30ea\u30ea\u30fc\u30b9<\/strong><\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u3042\u308a<\/strong>\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\uff09<\/td>\n<td style=\"width: 20%; height: 24px;\">\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8\u5185<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 20%; height: 24px;\">22.04 LTS<\/td>\n<td style=\"width: 20%; height: 24px;\">5.15.x\u7cfb\u5168\u822c<\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u672a\u30ea\u30ea\u30fc\u30b9<\/strong><\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u3042\u308a<\/strong>\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\uff09<\/td>\n<td style=\"width: 20%; height: 24px;\">\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8\u5185<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 20%; height: 24px;\">20.04 LTS<\/td>\n<td style=\"width: 20%; height: 24px;\">5.4.x\u7cfb\u5168\u822c<\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u305b\u3093<\/strong><\/td>\n<td style=\"width: 20%; height: 24px;\"><strong>\u3042\u308a<\/strong>\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\uff09<\/td>\n<td style=\"width: 20%; height: 24px;\">ESM\u671f\u9593\uff08\u30d1\u30c3\u30c1\u63d0\u4f9b\u7d42\u4e86\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ubuntu\u306e\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\uff08esp4\u3001esp6\u3001rxrpc\uff09\u306f\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\uff08<code>=m<\/code>\uff09\u3068\u3057\u3066\u30d3\u30eb\u30c9\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001modprobe.d\u306b\u3088\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>Ubuntu 20.04 LTS\u306f2025\u5e745\u6708\u306b\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3001\u73fe\u5728\u306fESM\uff08Extended Security Maintenance\uff09\u671f\u9593\u3067\u3059\u3002\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8\u3067\u306e\u30ab\u30fc\u30cd\u30eb\u30d1\u30c3\u30c1\u63d0\u4f9b\u306f\u7d42\u4e86\u3057\u3066\u304a\u308a\u3001\u6839\u672c\u7684\u306a\u5bfe\u5fdc\u306b\u306fUbuntu 22.04 LTS\u4ee5\u964d\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<h3>Red Hat Enterprise Linux 8 \/ 9<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; height: 94px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 24px;\">\n<th style=\"width: 50%; height: 24px;\">\u9805\u76ee<\/th>\n<th style=\"width: 50%; height: 24px;\">\u72b6\u6cc1<\/th>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 50%; height: 24px;\">\u30d1\u30c3\u30c1\u6e08\u307f\u30ab\u30fc\u30cd\u30eb<\/td>\n<td style=\"width: 50%; height: 24px;\"><strong>\u672a\u30ea\u30ea\u30fc\u30b9<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"width: 50%; height: 22px;\">\u66ab\u5b9a\u5bfe\u51e6<\/td>\n<td style=\"width: 50%; height: 22px;\"><strong class=\"previewStrong_f964f48e\">\u3042\u308a<\/strong>\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\uff09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 50%; height: 24px;\">Red Hat CVE\u30b9\u30c6\u30fc\u30bf\u30b9<\/td>\n<td style=\"width: 50%; height: 24px;\"><strong>CVE-2026-43284, CVE-2026-43500<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>RHEL 8\/9\u3067\u306f\u3001\u5f71\u97ff\u30e2\u30b8\u30e5\u30fc\u30eb\uff08esp4\u3001esp6\uff09\u304c\u30ab\u30fc\u30cd\u30eb\u7d44\u307f\u8fbc\u307f\uff08<code>=y<\/code>\uff09\u306e\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001modprobe.d\u306b\u3088\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ed\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u304c\u53ef\u80fd\u3067\u3059\u3002rxrpc\u306b\u3064\u3044\u3066\u306f<code>=m<\/code>\u3068\u3057\u3066\u30d3\u30eb\u30c9\u3055\u308c\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<h3>CVE-2026-31431\uff08Copy Fail\uff09\u3068\u306e\u95a2\u4fc2\u6027<\/h3>\n<p>\u5148\u65e5\u516c\u958b\u3055\u308c\u305fCVE-2026-31431\uff08Copy Fail\uff09\u306e\u66ab\u5b9a\u5bfe\u51e6\u3068\u3057\u3066\u3001algif_aead\u306e\u7121\u52b9\u5316\u304a\u3088\u3073initcall_blacklist\u306b\u3088\u308b\u30d6\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u8ffd\u52a0\u304c\u884c\u308f\u308c\u305f\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3001\u672c\u8106\u5f31\u6027\uff08Dirty Frag\uff09\u306f\u72ec\u7acb\u3057\u3066\u52d5\u4f5c\u3057\u3001root\u6a29\u9650\u304c\u53d6\u5f97\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u4e21\u8106\u5f31\u6027\u306e\u66ab\u5b9a\u5bfe\u51e6\u3092<strong>\u4f75\u305b\u3066\u5b9f\u65bd<\/strong>\u3057\u3066\u3044\u305f\u3060\u304f\u3088\u3046\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.hpc.co.jp\/support\/cve-2026-31431\/\">\u5f0a\u793eCVE-2026-31431\u5bfe\u51e6\u30da\u30fc\u30b8<\/a>\u3092\u4f75\u305b\u3066\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n<h3>\u3059\u3079\u3066\u306e\u5bfe\u8c61\u74b0\u5883\uff08Ubuntu \/ RHEL\uff09\u2014 \u66ab\u5b9a\u5bfe\u51e6<\/h3>\n<p>\u30d1\u30c3\u30c1\u6e08\u307f\u30ab\u30fc\u30cd\u30eb\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u307e\u3067\u306e\u9593\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\uff081\uff09\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\u8a2d\u5b9a\u306e\u4f5c\u6210<\/p>\n<p>root\u3067\u8a08\u7b97\u6a5f\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"previewPre_f964f48e\" data-line=\"82\"><code># cat &gt; \/etc\/modprobe.d\/disable-dirtyfrag.conf &lt;&lt; 'EOF'\r\ninstall esp4 \/bin\/false\r\ninstall esp6 \/bin\/false\r\ninstall rxrpc \/bin\/false\r\nEOF<\/code><\/pre>\n<p>\uff082\uff09\u73fe\u5728\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u524a\u9664<\/p>\n<pre class=\"previewPre_f964f48e\" data-line=\"92\"><code># rmmod esp4 2&gt;\/dev\/null || true\r\n# rmmod esp6 2&gt;\/dev\/null || true\r\n# rmmod rxrpc 2&gt;\/dev\/null || true<\/code><\/pre>\n<p>\u307e\u305f\u306f\u4e00\u62ec\u5b9f\u884c\u3059\u308b\u5834\u5408\uff1a<\/p>\n<pre class=\"previewPre_f964f48e\" data-line=\"100\"><code># rmmod esp4 esp6 rxrpc 2&gt;\/dev\/null; true<\/code><\/pre>\n<p>\uff083\uff09\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/p>\n<p>PoC\u5b9f\u884c\u7b49\u3067\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6c5a\u67d3\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code># echo 3 &gt; \/proc\/sys\/vm\/drop_caches<\/code><\/p>\n<p>\uff084\uff09\u7121\u52b9\u5316\u306e\u78ba\u8a8d<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code># lsmod | grep -E 'esp4|esp6|rxrpc'<\/code><\/p>\n<p>\u4f55\u3082\u51fa\u529b\u3055\u308c\u306a\u3051\u308c\u3070\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001modprobe\u306b\u3088\u308b\u30ed\u30fc\u30c9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p><code># modprobe esp4<\/code><br \/>\n<code>modprobe: ERROR: could not insert 'esp4': Operation not permitted<\/code><br \/>\n<code># modprobe esp6<\/code><br \/>\n<code>modprobe: ERROR: could not insert 'esp6': Operation not permitted<\/code><br \/>\n<code># modprobe rxrpc<\/code><br \/>\n<code>modprobe: ERROR: could not insert 'rxrpc': Operation not permitted<\/code><\/p>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u30a8\u30e9\u30fc\u304c\u8fd4\u3055\u308c\u308c\u3070\u3001\u7121\u52b9\u5316\u306f\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u6a5f\u80fd<\/h3>\n<p>\u672c\u66ab\u5b9a\u5bfe\u51e6\u306f\u3001\u4ee5\u4e0b\u306e\u6a5f\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 96px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.3333%; height: 24px;\">\u6a5f\u80fd<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">\u30e2\u30b8\u30e5\u30fc\u30eb<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">\u5f71\u97ff\u5185\u5bb9<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.3333%; height: 24px;\">IPsec VPN\uff08IPv4\uff09<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">esp4<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">IPsec ESP\u6697\u53f7\u5316\/\u5fa9\u53f7\u304c\u52d5\u4f5c\u4e0d\u53ef<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.3333%; height: 24px;\">IPsec VPN\uff08IPv6\uff09<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">esp6<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">IPsec ESP\u6697\u53f7\u5316\/\u5fa9\u53f7\u304c\u52d5\u4f5c\u4e0d\u53ef<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.3333%; height: 24px;\">AFS\u5206\u6563\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">rxrpc<\/td>\n<td style=\"width: 33.3333%; height: 24px;\">AFS\u30d7\u30ed\u30c8\u30b3\u30eb\u901a\u4fe1\u304c\u52d5\u4f5c\u4e0d\u53ef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0a\u8a18\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u66ab\u5b9a\u5bfe\u51e6\u306b\u3088\u308b\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002IPsec VPN\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u306f\u3001\u4ee3\u66ff\u63a5\u7d9a\u65b9\u5f0f\u3078\u306e\u79fb\u884c\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30d1\u30c3\u30c1\u9069\u7528\uff08\u30ea\u30ea\u30fc\u30b9\u5f8c\uff09<\/h3>\n<p>\u5404\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u30d1\u30c3\u30c1\u6e08\u307f\u30ab\u30fc\u30cd\u30eb\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u6b21\u7b2c\u3001\u3053\u306e\u7ae0\u306b\u52a0\u7b46\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"cve-2026-31431copy-fail\" data-line=\"150\">CVE-2026-31431\uff08Copy Fail\uff09\u3068\u306e\u4f75\u305b\u3066\u306e\u5bfe\u5fdc<\/h2>\n<p>\u672c\u8106\u5f31\u6027\uff08Dirty Frag\uff09\u306f\u3001CVE-2026-31431\uff08Copy Fail\uff09\u306e\u66ab\u5b9a\u5bfe\u51e6\u304c\u5b8c\u4e86\u3057\u305f\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3001\u72ec\u7acb\u3057\u3066\u767a\u52d5\u3059\u308b\u8106\u5f31\u6027\u3067\u3059\u3002\u4e21\u8106\u5f31\u6027\u306e\u5bfe\u51e6\u3092\u4f75\u305b\u3066\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<tbody>\n<tr>\n<th style=\"width: 33.3333%;\">\u8106\u5f31\u6027<\/th>\n<th style=\"width: 33.3333%;\">\u7121\u52b9\u5316\u5bfe\u8c61<\/th>\n<th style=\"width: 33.3333%;\">\u5bfe\u51e6\u65b9\u6cd5<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\">CVE-2026-31431\uff08Copy Fail\uff09<\/td>\n<td style=\"width: 33.3333%;\">algif_aead<\/td>\n<td style=\"width: 33.3333%;\">modprobe.d\u30d6\u30ed\u30c3\u30af + rmmod\uff08Ubuntu\uff09\u307e\u305f\u306finitcall_blacklist\u30d6\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\uff08RHEL\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\">Dirty Frag\uff08CVE-2026-43284, CVE-2026-43500\uff09<\/td>\n<td style=\"width: 33.3333%;\">esp4 \/ esp6 \/ rxrpc<\/td>\n<td style=\"width: 33.3333%;\">modprobe.d\u30d6\u30ed\u30c3\u30af + rmmod\uff08\u3059\u3079\u3066\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u5171\u901a\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-line=\"159\">Ubuntu\u74b0\u5883\u306e\u5834\u5408\u306f<strong class=\"previewStrong_f964f48e\">\u4e21\u65b9\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u7121\u52b9\u5316\u8a2d\u5b9a\u3092\u4f75\u8a2d<\/strong>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p data-line=\"161\">RHEL\u74b0\u5883\u306e\u5834\u5408\u306f\u3001CVE-2026-31431\u306e\u30d6\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u52a0\u3048\u3066\u3001\u672c\u8106\u5f31\u6027\u5bfe\u51e6\u306e\u305f\u3081\u306emodprobe.d\u8a2d\u5b9a\u3092<strong class=\"previewStrong_f964f48e\">\u4f75\u305b\u3066\u5b9f\u65bd<\/strong>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u672c\u66ab\u5b9a\u5bfe\u51e6\u304a\u3088\u3073\u5bfe\u51e6\u65b9\u6cd5\u306f\u3001\u304a\u5ba2\u69d8\u306e\u8cac\u4efb\u306b\u304a\u3044\u3066\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\n<li>\u672c\u4ef6\u306f\u5f0a\u793e\u4fdd\u8a3c\u5bfe\u8c61\u5916\u3068\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059<\/li>\n<li>\u30d1\u30c3\u30c1\u306e\u30ea\u30ea\u30fc\u30b9\u72b6\u6cc1\u306f\u5404\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30bf\u30fc\u306e\u516c\u5f0f\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044<\/li>\n<li>\u672c\u60c5\u5831\u306f2026\u5e745\u670811\u65e5\u73fe\u5728\u306e\u72b6\u6cc1\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u6700\u65b0\u60c5\u5831\u306f\u5404\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30bf\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56\u7279\u8a2d\u30da\u30fc\u30b8 &gt; Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026&#8230;<\/p>\n","protected":false},"author":37,"featured_media":0,"parent":0,"menu_order":12,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1013","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u30b5\u30dd\u30fc\u30c8 -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8\" \/>\n\t\t<meta property=\"og:description\" content=\"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-05-11T01:15:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-05-12T00:06:54+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/#listItem\",\"name\":\"Linux\\u30ab\\u30fc\\u30cd\\u30eb\\u8106\\u5f31\\u6027\\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\\uff09\\u306e\\u5bfe\\u51e6\\u65b9\\u6cd5\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/#listItem\",\"position\":2,\"name\":\"Linux\\u30ab\\u30fc\\u30cd\\u30eb\\u8106\\u5f31\\u6027\\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\\uff09\\u306e\\u5bfe\\u51e6\\u65b9\\u6cd5\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#organization\",\"name\":\"\\u30b5\\u30dd\\u30fc\\u30c8\",\"url\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/#webpage\",\"url\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/\",\"name\":\"Linux\\u30ab\\u30fc\\u30cd\\u30eb\\u8106\\u5f31\\u6027\\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\\uff09\\u306e\\u5bfe\\u51e6\\u65b9\\u6cd5 - \\u30b5\\u30dd\\u30fc\\u30c8\",\"description\":\"Security Risk \\u30bb\\u30ad\\u30e5\\u30ea\\u30c6\\u30a3\\u30ea\\u30b9\\u30af\\u5bfe\\u7b56 \\u7279\\u8a2d\\u30da\\u30fc\\u30b8 \\u30db\\u30fc\\u30e0 > \\u30b5\\u30dd\\u30fc\\u30c8 > \\u30bb\\u30ad\\u30e5\\u30ea\",\"inLanguage\":\"ja\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/linux-cve-pending-dirty-frag\\\/#breadcrumblist\"},\"datePublished\":\"2026-05-11T10:15:10+09:00\",\"dateModified\":\"2026-05-12T09:06:54+09:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#website\",\"url\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/\",\"name\":\"\\u30b5\\u30dd\\u30fc\\u30c8\",\"inLanguage\":\"ja\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.hpc.co.jp\\\/support\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8","description":"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 > \u30b5\u30dd\u30fc\u30c8 > \u30bb\u30ad\u30e5\u30ea","canonical_url":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.hpc.co.jp\/support\/#listItem","position":1,"name":"Home","item":"https:\/\/www.hpc.co.jp\/support\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/#listItem","name":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5"}},{"@type":"ListItem","@id":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/#listItem","position":2,"name":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5","previousItem":{"@type":"ListItem","@id":"https:\/\/www.hpc.co.jp\/support\/#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/www.hpc.co.jp\/support\/#organization","name":"\u30b5\u30dd\u30fc\u30c8","url":"https:\/\/www.hpc.co.jp\/support\/"},{"@type":"WebPage","@id":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/#webpage","url":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/","name":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8","description":"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 > \u30b5\u30dd\u30fc\u30c8 > \u30bb\u30ad\u30e5\u30ea","inLanguage":"ja","isPartOf":{"@id":"https:\/\/www.hpc.co.jp\/support\/#website"},"breadcrumb":{"@id":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/#breadcrumblist"},"datePublished":"2026-05-11T10:15:10+09:00","dateModified":"2026-05-12T09:06:54+09:00"},{"@type":"WebSite","@id":"https:\/\/www.hpc.co.jp\/support\/#website","url":"https:\/\/www.hpc.co.jp\/support\/","name":"\u30b5\u30dd\u30fc\u30c8","inLanguage":"ja","publisher":{"@id":"https:\/\/www.hpc.co.jp\/support\/#organization"}}]},"og:locale":"ja_JP","og:site_name":"\u30b5\u30dd\u30fc\u30c8 -","og:type":"article","og:title":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8","og:description":"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea","og:url":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/","article:published_time":"2026-05-11T01:15:10+00:00","article:modified_time":"2026-05-12T00:06:54+00:00","twitter:card":"summary","twitter:title":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5 - \u30b5\u30dd\u30fc\u30c8","twitter:description":"Security Risk \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u5bfe\u7b56 \u7279\u8a2d\u30da\u30fc\u30b8 \u30db\u30fc\u30e0 &gt; \u30b5\u30dd\u30fc\u30c8 &gt; \u30bb\u30ad\u30e5\u30ea"},"aioseo_meta_data":{"post_id":"1013","title":null,"description":null,"keywords":null,"keyphrases":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"primary_term":null,"canonical_url":null,"og_title":"","og_description":"","og_object_type":"article","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_image_url":null,"og_image_width":null,"og_image_height":null,"og_video":"","og_custom_url":null,"og_article_section":"","og_article_tags":"","twitter_use_og":false,"twitter_card":"summary","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_image_url":null,"twitter_title":null,"twitter_description":null,"schema_type":"default","schema_type_options":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"WebPage","isEnabled":true},"graphs":[]},"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null,"created":"2026-10-23 06:46:51","updated":"2026-10-26 17:46:58"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.hpc.co.jp\/support\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tLinux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.hpc.co.jp\/support\/"},{"label":"Linux\u30ab\u30fc\u30cd\u30eb\u8106\u5f31\u6027\uff08CVE-2026-43284, CVE-2026-43500: Dirty Frag\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5","link":"https:\/\/www.hpc.co.jp\/support\/linux-cve-pending-dirty-frag\/"}],"_links":{"self":[{"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/pages\/1013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/comments?post=1013"}],"version-history":[{"count":11,"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/pages\/1013\/revisions"}],"predecessor-version":[{"id":1025,"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/pages\/1013\/revisions\/1025"}],"wp:attachment":[{"href":"https:\/\/www.hpc.co.jp\/support\/wp-json\/wp\/v2\/media?parent=1013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}