{"id":136435,"date":"2026-10-30T13:29:37","date_gmt":"2026-10-30T04:29:37","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=136435"},"modified":"2026-10-30T13:29:37","modified_gmt":"2026-10-30T04:29:37","slug":"linux-kernel-tcp-vulnerability-cvss-98","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/linux-kernel-tcp-vulnerability-cvss-98\/","title":{"rendered":"Linux\u30ab\u30fc\u30cd\u30eb\u306bCVSS 9.8\u306e\u6df1\u523b\u306aTCP\u8106\u5f31\u6027\u3001Ubuntu\u3068RHEL\u306b\u3082\u5f71\u97ff"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/07\/pexels-realtoughcandy-11035358.jpg\" alt=\"\" width=\"1280\" height=\"853\" class=\"aligncenter size-full wp-image-129942\" \/><\/p>\n<p>Linux\u30ab\u30fc\u30cd\u30eb\u3067\u767a\u898b\u3055\u308c\u305fTCP\u95a2\u9023\u306e\u8106\u5f31\u6027\u300cCVE-2026-98432\u300d\u304c\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002Linux\u30ab\u30fc\u30cd\u30eb\u306eCVE\u30c1\u30fc\u30e0\u306fCVSS 9.8\u3068\u3044\u3046\u975e\u5e38\u306b\u9ad8\u3044\u6df1\u523b\u5ea6\u3092\u4ed8\u4e0e\u3057\u3066\u304a\u308a\u3001Ubuntu\u3084Red Hat Enterprise Linux(RHEL)\u3092\u542b\u3080\u8907\u6570\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306f\u3001TCP\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u969b\u306e\u51e6\u7406\u306b\u5b58\u5728\u3059\u308b\u7af6\u5408\u72b6\u614b(\u30ec\u30fc\u30b9\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30f3)\u306b\u8d77\u56e0\u3059\u308b\u3082\u306e\u3067\u3001\u89e3\u653e\u6e08\u307f\u30e1\u30e2\u30ea\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u300cUse-After-Free\u300d\u306e\u554f\u984c\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u3053\u306e\u6b20\u9665\u3092\u60aa\u7528\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30af\u30e9\u30c3\u30b7\u30e5\u3084\u30e1\u30e2\u30ea\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>AI\u304c\u8106\u5f31\u6027\u306e\u60aa\u7528\u30b3\u30fc\u30c9\u3092\u4f5c\u6210<\/h2>\n<p>\u3053\u306e\u8a71\u984c\u304c\u5927\u304d\u306a\u95a2\u5fc3\u3092\u96c6\u3081\u3066\u3044\u308b\u7406\u7531\u306e\u3072\u3068\u3064\u304c\u3001\u8106\u5f31\u6027\u3092\u767a\u898b\u3057\u305f<a href=\"https:\/\/www.anthropic.com\/research\/discovering-vulnerabilities-with-claude\">Anthropic\u306e\u767a\u8868<\/a>\u3067\u3059\u3002\u540c\u793e\u306f\u3001AI\u30e2\u30c7\u30eb\u300cClaude\u300d\u304c\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3059\u308b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u3001\u7279\u5b9a\u306eLinux\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067root\u6a29\u9650\u306b\u3088\u308b\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3092\u5b9f\u73fe\u3057\u305f\u3068\u5831\u544a\u3057\u307e\u3057\u305f\u3002\u5bfe\u8c61\u3068\u306a\u3063\u305f\u306e\u306fMultipath TCP(MPTCP)\u3092\u5229\u7528\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u8a8d\u8a3c\u4e0d\u8981\u306e\u30ea\u30e2\u30fc\u30c8\u653b\u6483\u304c\u53ef\u80fd\u3060\u3063\u305f\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Anthropic\u306b\u3088\u308c\u3070\u3001\u653b\u6483\u306f\u307e\u305a\u30ab\u30fc\u30cd\u30eb\u30e1\u30e2\u30ea\u5185\u306e\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u307e\u308a\u3001\u305d\u306e\u5f8c\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u914d\u7f6e\u306e\u30e9\u30f3\u30c0\u30e0\u5316(KASLR)\u3092\u56de\u907f\u3057\u3066\u4efb\u610f\u30b3\u30fc\u30c9\u5b9f\u884c\u306b\u81f3\u308b\u3068\u3044\u3046\u6d41\u308c\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u540c\u793e\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u60c5\u5831\u6f0f\u3048\u3044\u307e\u3067\u306b\u7d0448\u5206\u3001\u6a29\u9650\u6607\u683c\u307e\u3067\u3055\u3089\u306b\u7d045\u5206\u3092\u8981\u3057\u305f\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306b\u5bfe\u5fdc\u72b6\u6cc1\u304c\u7570\u306a\u308b<\/h2>\n<p>\u8106\u5f31\u6027\u81ea\u4f53\u306f\u3059\u3067\u306bLinux\u672c\u6d41\uff08upstream 5.10.272 \/ 5.15.223 \/ 6.1.190 \/ 6.6.159 \/ 6.12.113 \/ 6.18.56 \/ 7.2.10 \/ 7.3\uff09\u3067\u4fee\u6b63\u3055\u308c\u3066\u304a\u308a\u3001\u5b89\u5b9a\u7248\u30ab\u30fc\u30cd\u30eb\u306b\u3082\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u5b9f\u969b\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306b\u306f\u3001\u5404\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u4fee\u6b63\u7248\u30ab\u30fc\u30cd\u30eb\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u3067\u306f\u3001Debian\u3001Oracle Linux\u3001Amazon Linux\u3001SUSE\u306e\u4e00\u90e8\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u4fee\u6b63\u7248\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067Ubuntu\u304a\u3088\u3073RHEL\u3067\u306f\u4fee\u6b63\u7248\u306e\u63d0\u4f9b\u304c\u307e\u3060\u884c\u308f\u308c\u3066\u304a\u3089\u305a\u3001\u5bfe\u5fdc\u4f5c\u696d\u304c\u9032\u884c\u4e2d\u307e\u305f\u306f\u5c06\u6765\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u306e\u4fee\u6b63\u4e88\u5b9a\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>Debian<\/strong><\/p>\n<ul>\n<li>\u4fee\u6b63\u7248\u3092\u63d0\u4f9b\u6e08\u307f<\/li>\n<li>Debian 13\uff08trixie\uff09\u304a\u3088\u3073 Debian 12\uff08bookworm\uff09\u5411\u3051\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Oracle Linux<\/strong><\/p>\n<ul>\n<li>\u4fee\u6b63\u7248\u3092\u63d0\u4f9b\u6e08\u307f<\/li>\n<li>Oracle Linux 7\uff5e10\u5411\u3051\u306eUEK\u30ab\u30fc\u30cd\u30eb\u3067\u5bfe\u5fdc\u6e08\u307f<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Amazon Linux<\/strong><\/p>\n<ul>\n<li>\u4e00\u90e8\u74b0\u5883\u3067\u4fee\u6b63\u7248\u3092\u63d0\u4f9b\u6e08\u307f<\/li>\n<li>Amazon Linux 2023\u306e\u4e00\u90e8\u30ab\u30fc\u30cd\u30eb\u7cfb\u5217\u306f\u4fee\u6b63\u5b8c\u4e86<\/li>\n<li>\u4e00\u65b9\u3067Amazon Linux 2\u306a\u3069\u4e00\u90e8\u74b0\u5883\u306f\u5bfe\u5fdc\u5f85\u3061<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>SUSE \/ openSUSE<\/strong><\/p>\n<ul>\n<li>\u4e00\u90e8\u88fd\u54c1\u3067\u4fee\u6b63\u7248\u3092\u63d0\u4f9b\u6e08\u307f<\/li>\n<li>openSUSE Leap 16.0\u3084SUSE Linux Micro 6.2\u306f\u5bfe\u5fdc\u6e08\u307f<\/li>\n<li>SLES\u3084SLE Micro\u306e\u4e00\u90e8\u88fd\u54c1\u306f\u5f15\u304d\u7d9a\u304d\u4fee\u6b63\u4f5c\u696d\u4e2d<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Ubuntu<\/strong><\/p>\n<ul>\n<li>\u4fee\u6b63\u7248\u306f\u672a\u516c\u958b<\/li>\n<li>Ubuntu 22.04 LTS\u300124.04 LTS\u300126.04 LTS\u300126.10\u306a\u3069\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b<\/li>\n<li>\u73fe\u5728\u306f\u5bfe\u5fdc\u4f5c\u696d\u4e2d<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>RHEL\uff08Red Hat Enterprise Linux\uff09<\/strong><\/p>\n<ul>\n<li>\u4fee\u6b63\u7248\u306f\u672a\u516c\u958b<\/li>\n<li>RHEL 8\u30019\u300110\u304a\u3088\u3073OpenShift 4\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b<\/li>\n<li>\u5c06\u6765\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u4fee\u6b63\u4e88\u5b9a<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>RHEL 7<\/strong><\/p>\n<ul>\n<li>\u5f71\u97ff\u306a\u3057<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u7ba1\u7406\u8005\u304c\u53d6\u308b\u3079\u304d\u5bfe\u7b56<\/h2>\n<p>\u3059\u3067\u306b\u4fee\u6b63\u7248\u30ab\u30fc\u30cd\u30eb\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u81ea\u524d\u3067\u30ab\u30fc\u30cd\u30eb\u3092\u30d3\u30eb\u30c9\u3057\u3066\u3044\u308b\u74b0\u5883\u306b\u3064\u3044\u3066\u3082\u3001\u4fee\u6b63\u304c\u542b\u307e\u308c\u305f\u5b89\u5b9a\u7248\u3078\u306e\u66f4\u65b0\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001Ubuntu\u3084RHEL\u306a\u3069\u4fee\u6b63\u7248\u304c\u307e\u3060\u516c\u958b\u3055\u308c\u3066\u3044\u306a\u3044\u74b0\u5883\u3067\u306f\u3001\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u60c5\u5831\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u73fe\u6642\u70b9\u3067\u306f\u6709\u52b9\u306a\u7de9\u548c\u7b56\u306f\u516c\u5f0f\u306b\u306f\u793a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u30ab\u30fc\u30cd\u30eb\u3067\u767a\u898b\u3055\u308c\u305fTCP\u95a2\u9023\u306e\u8106\u5f31\u6027\u300cCVE-2026-98432\u300d\u304c\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002Linux\u30ab\u30fc\u30cd\u30eb\u306eCVE\u30c1\u30fc\u30e0\u306fCVSS 9.8\u3068\u3044\u3046\u975e\u5e38\u306b\u9ad8\u3044\u6df1\u523b\u5ea6\u3092\u4ed8\u4e0e\u3057\u3066\u304a\u308a\u3001Ubuntu\u3084Red Hat  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":129942,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[37],"class_list":["post-136435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-linux"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/136435","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=136435"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/136435\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/129942"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=136435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=136435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=136435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}