{"id":20268,"date":"2026-08-02T18:19:04","date_gmt":"2026-08-02T16:19:04","guid":{"rendered":"https:\/\/webhosting.de\/seccomp-linux-kernel-sicherheit-anwendungen-einschraenken-sandbox-guard\/"},"modified":"2026-08-02T18:19:04","modified_gmt":"2026-08-02T16:19:04","slug":"seccomp%e3%80%81linux%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab%e3%80%81%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%80%81%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/seccomp-linux-kernel-sicherheit-anwendungen-einschraenken-sandbox-guard\/","title":{"rendered":"Linux\u306b\u304a\u3051\u308bSeccomp\uff1a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9078\u629e\u7684\u5236\u9650"},"content":{"rendered":"<p><strong>Seccomp Linux<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u672c\u5f53\u306b\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u547c\u3073\u51fa\u3057\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u5927\u5e45\u306b\u7e2e\u5c0f\u3057\u307e\u3059\u3002\u79c1\u306f\u3053\u306e\u4ed5\u7d44\u307f\u3092\u610f\u56f3\u7684\u306b\u6d3b\u7528\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3001\u304a\u3088\u3073\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d3\u30b9\u3092 <strong>\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9<\/strong> \u4e2d\u6838\u6a5f\u80fd\u3092\u59a8\u3052\u308b\u3053\u3068\u306a\u304f\u3001\u30ed\u30c3\u30af\u3092\u304b\u3051\u308b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<p>\u3053\u3053\u3067\u306f\u3001\u6982\u8981\u3092\u7d20\u65e9\u304f\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u3001Seccomp\u3092\u5b9f\u969b\u306b\u3069\u306e\u3088\u3046\u306b\u6d3b\u7528\u3057\u3066\u3044\u308b\u304b\u3092\u5f37\u8abf\u3057\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30dd\u30ea\u30b7\u30fc\u3001\u30d5\u30a3\u30eb\u30bf\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u4fdd\u8b77\u3078\u306e\u660e\u78ba\u306a\u5165\u9580\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u8a08\u753b\u3001\u904b\u7528\u3001\u691c\u8a3c\u306b\u304a\u3051\u308b\u79c1\u306e\u6307\u91dd\u3068\u306a\u308a\u307e\u3059\u3002\u30ea\u30b9\u30af\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3084\u3001\u9069\u5207\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306e\u9078\u629e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6838\u5fc3\u3092\u5ff5\u982d\u306b\u7f6e\u304f\u3053\u3068\u3067\u3001 <strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong> \u7406\u89e3\u3057\u3084\u3059\u304f\u3001\u7ba1\u7406\u3057\u3084\u3059\u3044\u3002.<\/p>\n<ul>\n  <li><strong>\u30d5\u30a3\u30eb\u30bf\u30e2\u30fc\u30c9<\/strong>: \u7d30\u304b\u304f\u7c92\u5ea6\u3092\u8abf\u6574\u3057\u305fBPF\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u5fc5\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u307f\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30a2\u30bf\u30c3\u30af\u30fb\u30b5\u30fc\u30d5\u30a7\u30b9<\/strong>: \u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30ab\u30fc\u30cd\u30eb\u30d1\u30b9\u304c\u5c11\u306a\u3051\u308c\u3070\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u30ea\u30b9\u30af\u304c\u4f4e\u6e1b\u3055\u308c\u308b\u3002.<\/li>\n  <li><strong>\u30b3\u30f3\u30c6\u30ca<\/strong>: \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u547c\u3073\u51fa\u3057\u3092\u78ba\u5b9f\u306b\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>Kubernetes<\/strong>: seccompProfile \u3068 seccompDefault \u306f\u4fdd\u8b77\u6a5f\u80fd\u3092\u7d71\u4e00\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/strong>: \u5206\u6790\u3001\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3001\u786c\u5316\u3001\u8a66\u9a13\u3001\u5c55\u958b\u3002.<\/li>\n<\/ul>\n<p>\u79c1\u306f\u3059\u3079\u3066\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092\u691c\u8a3c\u3057\u3001\u9069\u5207\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u8a2d\u5b9a\u3057\u305f\u4e0a\u3067\u3001\u904b\u7528\u6642\u306e\u52b9\u679c\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u5805\u7262\u306a <strong>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/strong>- \u5c06\u6765\u7684\u306b\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u62e1\u5f35\u53ef\u80fd\u306a\u4fdd\u8b77\u6a5f\u80fd\u3002.<\/p>\n\n<h2>Seccomp\u306e\u6982\u8981\uff1a\u30bb\u30ad\u30e5\u30a2\u30fb\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30e2\u30fc\u30c9<\/h2>\n\n<p>Seccomp\u306f\u300cSecure Computing Mode\u300d\u306e\u7565\u3067\u3001\u4ee5\u4e0b\u3092\u5236\u9650\u3057\u307e\u3059 <strong>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/strong> \u30d7\u30ed\u30bb\u30b9\u306e\u52d5\u4f5c\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u7bc4\u56f2\u306b\u5236\u9650\u3059\u308b\u3002\u79c1\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30ab\u30fc\u30cd\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u7b87\u6240\u3001\u4f8b\u3048\u3070\u30d5\u30a1\u30a4\u30eb\u3084\u30bd\u30b1\u30c3\u30c8\u306e\u30aa\u30fc\u30d7\u30f3\u6642\u3001\u3042\u308b\u3044\u306f\u65b0\u305f\u306a\u30d7\u30ed\u30bb\u30b9\u306e\u751f\u6210\u6642\u306a\u3069\u306b\u3001\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u3066\u3044\u308b\u3002 \u305d\u306e\u8003\u3048\u65b9\u306f\u5358\u7d14\u3067\u3059\u3002\u5fc5\u8981\u306a\u64cd\u4f5c\u306f\u8a31\u53ef\u3057\u3001\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u306f\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3084kill\u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u963b\u6b62\u3057\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u7406\u89e3\u3057\u3066\u3044\u308c\u3070\u3001\u5805\u7262\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u7d20\u65e9\u304f\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u826f\u3044\u51fa\u767a\u70b9\u3068\u306a\u308b\u306e\u304c\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%82%b3%e3%83%bc%e3%83%ab%e3%81%ae%e7%90%86%e8%a7%a3%e3%80%80%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab%e3%81%a8%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7\/\">\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u7406\u89e3<\/a>. \u3053\u3046\u3057\u3066\u52b9\u679c\u7684\u306a\u3082\u306e\u304c\u751f\u307e\u308c\u308b <strong>\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9<\/strong>, \u3001\u3053\u308c\u306b\u3088\u308a\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u304c\u56f0\u96e3\u306b\u306a\u308a\u3001\u610f\u56f3\u3057\u306a\u3044\u30ab\u30fc\u30cd\u30eb\u30d1\u30b9\u304c\u906e\u65ad\u3055\u308c\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/linux-sicherheit-serverraum-8274.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Seccomp Linux\u304c\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7e2e\u5c0f\u3059\u308b\u7406\u7531<\/h2>\n\n<p>\u30b7\u30b9\u30c6\u30e0\u547c\u3073\u51fa\u3057\u304c1\u56de\u5897\u3048\u308b\u3054\u3068\u306b\u3001\u6f5c\u5728\u7684\u306b <strong>\u30a2\u30bf\u30c3\u30af\u30fb\u30b5\u30fc\u30d5\u30a7\u30b9<\/strong>. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u969b\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u7bc4\u56f2\u3092\u7e2e\u5c0f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u591a\u304f\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30c1\u30a7\u30fc\u30f3\u304c\u91cd\u8981\u306a\u30ab\u30fc\u30cd\u30eb\u6a5f\u80fd\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5931\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002 \u30d7\u30ed\u30bb\u30b9\u5185\u3067\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u305f\u3068\u3057\u3066\u3082\u3001\u653b\u6483\u8005\u306f\u3057\u3070\u3057\u3070\u300c\u9589\u3056\u3055\u308c\u305f\u6249\u300d\u306b\u76f4\u9762\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u963b\u6b62\u3057\u3066\u3044\u307e\u3059\u3002 <strong>ptrace<\/strong>, \u3001BPF\u3001\u3042\u308b\u3044\u306f\u7279\u5b9a\u306e\u30c7\u30d0\u30c3\u30b0\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002.<\/p>\n\n<h2>\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u3067\u306f\u306a\u304f\u8a31\u53ef\u30ea\u30b9\u30c8\uff1a\u6b63\u3057\u3044\u6226\u7565<\/h2>\n\n<p>\u672c\u756a\u74b0\u5883\u3067\u306f\u3001\u79c1\u306f\u4ee5\u4e0b\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059 <strong>\u8a31\u53ef\u30ea\u30b9\u30c8<\/strong>: \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\u306f\u300c\u7981\u6b62\u300d\u3067\u3042\u308a\u3001\u610f\u56f3\u7684\u306b\u53b3\u9078\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u307f\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u3002\u591a\u304f\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u4e92\u63db\u6027\u306e\u7406\u7531\u304b\u3089\u3001\u7279\u306b\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u547c\u3073\u51fa\u3057\u306e\u307f\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 \u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u5236\u9650\u3092\u3055\u3089\u306b\u53b3\u683c\u5316\u3057\u3001\u5b9f\u884c\u6642\u89e3\u6790\u3067\u5b9f\u969b\u306b\u5fc5\u8981\u3068\u793a\u3055\u308c\u305f\u3082\u306e\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u5909\u66f4\u306b\u4f34\u3046\u4e88\u671f\u305b\u306c\u4e8b\u614b\u3092\u6e1b\u3089\u3057\u3001\u5224\u65ad\u57fa\u6e96\u3092\u300c\u4f55\u304c\u5371\u967a\u304b\uff1f\u300d\u304b\u3089\u300c\u4f55\u304c\u5fc5\u8981\u304b\uff1f\u300d\u3078\u3068\u30b7\u30d5\u30c8\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4e00\u822c\u7684\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u306f\u3001\u5805\u5b9f\u306a\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u304c\u3088\u3044\u51fa\u767a\u70b9\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u6c7a\u6e08\u30d5\u30ed\u30fc\u3001\u8a8d\u8a3c\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u306b\u3064\u3044\u3066\u306f\u3001\u660e\u793a\u7684\u306a\u4f8b\u5916\u3092\u5b9a\u3081\u305f\u30a2\u30ed\u30ea\u30b9\u30c8\u30dd\u30ea\u30b7\u30fc\u3078\u306e\u79fb\u884c\u3092\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u30e2\u30fc\u30c9\u3068\u30d5\u30a3\u30eb\u30bf\u30ed\u30b8\u30c3\u30af\uff1a\u53b3\u5bc6\u304b\u3089BPF\u307e\u3067<\/h2>\n\n<p>Seccomp\u306b\u306f\u3001read\u3001write\u3001exit\u3001sigreturn\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u53b3\u683c\u306a\u30e2\u30fc\u30c9\u3068\u3001\u975e\u5e38\u306b\u67d4\u8edf\u306a <strong>\u30d5\u30a3\u30eb\u30bf\u30e2\u30fc\u30c9<\/strong> BPF\u306b\u3064\u3044\u3066\u3002\u5b9f\u969b\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3068\u305d\u306e\u5f15\u6570\u3092\u8a73\u7d30\u306b\u89e3\u6790\u3059\u308b\u305f\u3081\u306b\u3001\u307b\u307c\u5e38\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 \u30ab\u30fc\u30cd\u30eb\u306f\u3001\u5404\u547c\u3073\u51fa\u3057\u3092\u767b\u9332\u6e08\u307f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u7167\u5408\u3057\u3001\u8a31\u53ef\u3059\u308b\u304b\u3001\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u304b\u3001\u3042\u308b\u3044\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3055\u305b\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001clone\u3084unshare\u306e\u7279\u5b9a\u306e\u30d5\u30e9\u30b0\u306a\u3069\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u500b\u3005\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u304d\u3081\u7d30\u304b\u306a\u5236\u5fa1\u306b\u3088\u308a\u3001 <strong>\u30dd\u30ea\u30b7\u30fc<\/strong> \u30b9\u30ea\u30e0\u3067\u3042\u308a\u306a\u304c\u3089\u52b9\u679c\u7684\u3002.<\/p>\n\n<h2>\u56de\u53ce\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3068\u691c\u67fb\u306e\u5fb9\u5e95\u5ea6<\/h2>\n\n<p>\u9055\u53cd\u6642\u306e\u6319\u52d5\u306b\u3064\u3044\u3066\u306f\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u610f\u56f3\u7684\u306b\u5236\u5fa1\u3057\u3066\u3044\u307e\u3059\uff1a\u8a31\u53ef\u3001\u5b9a\u7fa9\u6e08\u307f\u306e\u30a8\u30e9\u30fc\uff08\u4e3b\u306b <em>EPERM<\/em> \u6216\u3044\u306f <em>EACCES<\/em>) \u3092\u8fd4\u3059\u3001via <em>TRAP<\/em> \u4fe1\u53f7\u3092\u767a\u751f\u3055\u305b\u308b\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u3066 <em>TRACE<\/em> \u30c7\u30d0\u30c3\u30b0\u3092\u53ef\u80fd\u306b\u3059\u308b\u304b\u3001\u30d7\u30ed\u30bb\u30b9\uff0f\u30b9\u30ec\u30c3\u30c9\u3092\u78ba\u5b9f\u306b\u7d42\u4e86\u3055\u305b\u308b\u3002\u5358\u306b\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u3060\u3051\u3067\u5341\u5206\u306a\u5834\u5408\u3082\u591a\u304f\u3001\u305d\u308c\u306b\u3088\u308a\u8010\u969c\u5bb3\u6027\u3082\u5411\u4e0a\u3059\u308b\u3002\u4e00\u65b9\u3001\u7279\u306b\u30c7\u30ea\u30b1\u30fc\u30c8\u306a\u51e6\u7406\u7d4c\u8def\u306b\u3064\u3044\u3066\u306f\u3001\u5f37\u5236\u7d42\u4e86\uff08Kill\uff09\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u3002 \u8a3a\u65ad\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u30ed\u30b0\u6a5f\u80fd\u3084\u30ed\u30ae\u30f3\u30b0\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u3001\u904b\u7528\u306b\u4e0d\u5fc5\u8981\u306a\u652f\u969c\u3092\u304d\u305f\u3059\u3053\u3068\u306a\u304f\u3001\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883\u306b\u304a\u3044\u3066\u554f\u984c\u306e\u7bc4\u56f2\u3092\u6bb5\u968e\u7684\u306b\u7d5e\u308a\u8fbc\u3093\u3067\u3044\u304d\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/seccomp-security-linux-8943.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5b9f\u904b\u7528\u306b\u304a\u3051\u308b\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u3068\u30b3\u30f3\u30c6\u30ca\u306b\u3088\u308b\u4fdd\u8b77<\/h2>\n\n<p>\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u5b9f\u7e3e\u306e\u3042\u308b <strong>\u30c7\u30d5\u30a9\u30eb\u30c8<\/strong>-\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u57fa\u76e4\u3068\u3057\u3066\u3001mount\u3001unshare\u3001bpf\u3001ptrace\u3001\u3055\u3089\u306bkeyctl\u304a\u3088\u3073perf_event_open\u3092\u3055\u3089\u306b\u5236\u9650\u3057\u3066\u3044\u307e\u3059\u3002 \u4fe1\u983c\u3067\u304d\u306a\u3044\u5165\u529b\u3092\u51e6\u7406\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u30012\u3064\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5c11\u306a\u304f\u306a\u308b\u3053\u3068\u3001\u305d\u3057\u3066\u9055\u53cd\u6642\u306e\u30a8\u30e9\u30fc\u539f\u56e0\u304c\u660e\u78ba\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002Web\u30d6\u30e9\u30a6\u30b6\u3084\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u30c4\u30fc\u30eb\u3067\u3055\u3048\u3001\u5fc5\u8981\u306a\u30a2\u30af\u30bb\u30b9\u3068\u5371\u967a\u306a\u30a2\u30af\u30bb\u30b9\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b9f\u884c\u6642\u30b7\u30b9\u30c6\u30e0\u306f\u7ba1\u7406\u3057\u3084\u3059\u304f\u306a\u308a\u3001 <strong>\u4e88\u6e2c\u53ef\u80fd<\/strong>.<\/p>\n\n<h2>\u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u901a\u77e5\uff1a\u5236\u5fa1\u3055\u308c\u305f\u4f8b\u5916<\/h2>\n\n<p>\u307e\u308c\u3067\u306f\u3042\u308b\u304c\u6b63\u5f53\u306a\u4f8b\u5916\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f <strong>\u30e6\u30fc\u30b6\u30fc\u30b9\u30da\u30fc\u30b9\u30fb\u30ce\u30c6\u30a3\u30d5\u30a1\u30a4\u30a2<\/strong>-\u30a2\u30d7\u30ed\u30fc\u30c1\uff1a\u76e3\u8996\u30d7\u30ed\u30bb\u30b9\u304c\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306b\u95a2\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3089\u3092\u500b\u5225\u306b\u627f\u8a8d\u307e\u305f\u306f\u62d2\u5426\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u5b9f\u88c5\u3057\u3001\u4f8b\u3048\u3070\u7279\u5b9a\u306e <em>\u30de\u30a6\u30f3\u30c8<\/em>- \u6307\u5b9a\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u3067\u306e\u64cd\u4f5c\u3092\u8a31\u53ef\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30dd\u30ea\u30b7\u30fc\u306b\u4e00\u822c\u7684\u306a\u4f8b\u5916\u3092\u76db\u308a\u8fbc\u3080\u5fc5\u8981\u6027\u304c\u6e1b\u308a\u3001\u305d\u308c\u3067\u3082\u904b\u7528\u4e0a\u306e\u67d4\u8edf\u6027\u3092\u7dad\u6301\u3067\u304d\u308b\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u660e\u78ba\u306a\u30ac\u30d0\u30ca\u30f3\u30b9\u3067\u3042\u308b\u3002\u3069\u306e\u30b3\u30de\u30f3\u30c9\u3092\u901a\u3059\u304b\u3001\u305d\u308c\u3089\u3092\u3069\u306e\u3088\u3046\u306b\u76e3\u67fb\u3059\u308b\u304b\u3001\u305d\u3057\u3066\u901a\u77e5\u30b7\u30b9\u30c6\u30e0\u81ea\u4f53\u304c\u5358\u4e00\u969c\u5bb3\u70b9\uff08SPOF\uff09\u3068\u306a\u308b\u306e\u3092\u3069\u3046\u9632\u3050\u304b\u3001\u3068\u3044\u3063\u305f\u70b9\u3060\u3002<\/p>\n\n<h2>Kubernetes \u304a\u3088\u3073 OpenShift \u306b\u304a\u3051\u308b Seccomp<\/h2>\n\n<p>Kubernetes \u3067\u306f\u3001Pod \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u5185\u306e SecurityContext \u3092\u4f7f\u7528\u3057\u3066\u3001\u3069\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u6709\u52b9\u306b\u3059\u308b\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30ce\u30fc\u30c9\u4e0a\u306e seccompDefault \u306b\u3088\u308a\u3001\u7279\u306b\u6307\u5b9a\u304c\u306a\u3044\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u306f\u3001\u9069\u5207\u306a <strong>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong>-\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002OpenShift\u3068Podman\u3082\u3053\u308c\u3092\u7d71\u5408\u3057\u3066\u304a\u308a\u3001\u2013security-opt\u306b\u3088\u308b\u5f15\u304d\u6e21\u3057\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u4e00\u5143\u7684\u306b\u63d0\u4f9b\u3057\u3001\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3084\u30d5\u30a3\u30fc\u30eb\u30c9\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306b\u3088\u3063\u3066\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u3059\u3079\u3066\u306e <strong>\u540d\u524d\u7a7a\u9593<\/strong> \u30a2\u30a6\u30a7\u30a4<\/p>\n\n<h2>\u30c1\u30fc\u30e0\u304a\u3088\u3073\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5411\u3051\u306e\u30dd\u30ea\u30b7\u30fc\u8a2d\u8a08<\/h2>\n\n<p>\u79c1\u306f\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3092\u4ee5\u4e0b\u306e\u57fa\u6e96\u3067\u5206\u985e\u3057\u3066\u3044\u307e\u3059 <em>\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u30af\u30e9\u30b9<\/em> \u30c1\u30fc\u30e0\u5225\u3067\u306f\u306a\u304f\u3001Web\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3001\u30ef\u30fc\u30ab\u30fc\u3001DB\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001\u30c7\u30fc\u30bf\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3054\u3068\u306b\u5206\u985e\u3057\u307e\u3059\u3002\u5404\u30af\u30e9\u30b9\u306b\u306f\u30c6\u30b9\u30c8\u6e08\u307f\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3001\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u306b\u9650\u308a\u6700\u5c0f\u9650\u306e\u8ffd\u52a0\u3092\u884c\u3044\u307e\u3059\u3002Kubernetes\u3067\u306f\u3001Admission Policy\u3092\u7528\u3044\u3066\u3001Pod\u304c\u5c11\u306a\u304f\u3068\u3082 <em>RuntimeDefault<\/em> \u3092\u6d3b\u7528\u3059\u308b\u4e00\u65b9\u3067\u3001\u7279\u306b\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b\u306f\u53b3\u683c\u306a <em>\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8<\/em>-\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u5f37\u5236\u3059\u308b\u3002\u30c7\u30d0\u30c3\u30b0\u3084\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u767a\u751f\u6642\u306b\u306f\u3001\u6709\u52b9\u671f\u9593\u304c\u9650\u5b9a\u3055\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304a\u3088\u3073\u6a5f\u80fd\u306e\u5236\u9650\u304c\u8ffd\u52a0\u3055\u308c\u305f\u3001\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u4f8b\u5916\u7d4c\u8def\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u5168\u822c\u7684\u306b\u4f4e\u4e0b\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u8a3a\u65ad\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/linux-security-seccomp-shield-4092.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u7bc9\uff1a\u5206\u6790\u304b\u3089\u5c55\u958b\u307e\u3067\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/h2>\n\n<p>\u307e\u305a\u306f\u5b9f\u884c\u6642\u9593\u306e\u5206\u6790\u304b\u3089\u59cb\u3081\u3001\u3069\u306e\u3088\u3046\u306a <strong>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/strong> \u901a\u5e38\u904b\u7528\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f7f\u7528\u3059\u308b\u547c\u3073\u51fa\u3057\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u307e\u3055\u306b\u3053\u308c\u3089\u306e\u547c\u3073\u51fa\u3057\u3092\u8a31\u53ef\u3057\u3001\u767a\u751f\u983b\u5ea6\u306e\u4f4e\u3044\u51e6\u7406\u7d4c\u8def\u3092\u9664\u5916\u3057\u305f\u521d\u671f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u7d9a\u3044\u3066\u3001\u767a\u751f\u983b\u5ea6\u306e\u4f4e\u3044\u547c\u3073\u51fa\u3057\u3084\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u547c\u3073\u51fa\u3057\u3092\u524a\u9664\u3059\u308b\u304b\u3001\u6761\u4ef6\u3092\u53b3\u683c\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306b\u6700\u9069\u5316\u3092\u9032\u3081\u307e\u3059\u3002 \u30c6\u30b9\u30c8\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u629c\u3051\u7a74\u3092\u6d17\u3044\u51fa\u3057\u3001\u6a5f\u80fd\u304c\u4e0d\u8db3\u3057\u3066\u3044\u306a\u3044\u304b\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u304c\u9069\u5207\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u521d\u3081\u3066\u3001 <strong>\u65b9\u91dd<\/strong> \u672c\u756a\u74b0\u5883\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u3001\u5909\u66f4\u3054\u3068\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3092\u884c\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u5efa\u7bc9\u304a\u3088\u3073ABI\u306b\u95a2\u3059\u308b\u5074\u9762<\/h2>\n\n<p>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306f\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3084\u30ab\u30fc\u30cd\u30eb\u306e\u4e16\u4ee3\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u79c1\u306f\u3001\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c <strong>\u30de\u30eb\u30c1\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/strong> \uff08\u4f8b\uff1ax86_64 \u3084 arm64\uff09\u3092\u7db2\u7f85\u3057\u3001\u3055\u3089\u306b\u65b0\u3057\u3044\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066 <em>openat2<\/em> \u307e\u305f\u306f time64 \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u8003\u616e\u3055\u308c\u3066\u3044\u308b\u304b\u3002\u53e4\u3044\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u642d\u8f09\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u3067\u306f\u3001\u30ec\u30ac\u30b7\u30fc\u30d1\u30b9\uff08\u4f8b\u3048\u3070 <em>socketcall<\/em> \u3042\u308b\u3044\u306f\u7279\u5b9a\u306eIPC\u547c\u3073\u51fa\u3057\uff09\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8ab0\u304c <em>libseccomp<\/em> \u3042\u308b\u3044\u306f\u3001\u751f\u6210\u306b\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30b7\u30f3\u30dc\u30eb\u540d\u3068\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u756a\u53f7\u9593\u306e\u5b89\u5b9a\u3057\u305f\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u6069\u6075\u3092\u53d7\u3051\u3089\u308c\u307e\u3059\u3002\u79fb\u690d\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u610f\u56f3\u7684\u306b\u5177\u4f53\u7684\u306a\u756a\u53f7\u306e\u6307\u5b9a\u306f\u907f\u3051\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\uff1a\u30d5\u30a3\u30eb\u30bf\u30fc\u306f <strong>\u907a\u4f1d\u6027<\/strong> \u305d\u3057\u3066\u305f\u3060 <em>\u5358\u8abf\u306a<\/em> \u5f37\u5316\u53ef\u80fd\uff1b\u4e00\u5ea6\u7981\u6b62\u3055\u308c\u305f\u3082\u306e\u306f\u3001\u305f\u3068\u3048\u305d\u306e\u5f8c\u3067\u3042\u3063\u3066\u3082\u3001\u5f15\u304d\u7d9a\u304d\u7981\u6b62\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b\u3002 <em>execve<\/em>.<\/p>\n\n<h2>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304a\u3088\u3073\u4e92\u63db\u6027\u7ba1\u7406<\/h2>\n\n<p>\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30ab\u30fc\u30cd\u30eb\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u305f\u308a\u3001\u547c\u3073\u51fa\u3057\u30d1\u30bf\u30fc\u30f3\u304c\u5909\u66f4\u3055\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u5bfe\u8c61\u3092\u7d5e\u3063\u305f <em>\u30b9\u30e2\u30fc\u30af\u30c6\u30b9\u30c8<\/em> \u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u5f8c\u306b\u3001\u4e07\u304c\u4e00\u306e\u4e8b\u614b\u306b\u5099\u3048\u3066\u3001 <em>LOG<\/em>-\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u672c\u756a\u74b0\u5883\u3078\u306e\u30c7\u30d7\u30ed\u30a4\u3092\u30ed\u30c3\u30af\u3059\u308b\u524d\u306b\u3001\u65b0\u305f\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3055\u308c\u305f\u5185\u5bb9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30a4\u30e1\u30fc\u30b8\u9593\u306e\u9055\u3044\uff08\u4f8b\uff1amusl\u30d9\u30fc\u30b9\u3068glibc\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30c6\u30ca\uff09\u306b\u3064\u3044\u3066\u306f\u3001\u30ab\u30fc\u30cd\u30ebAPI\u3078\u306e\u30a2\u30af\u30bb\u30b9\u30d1\u30b9\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u610f\u56f3\u7684\u306b\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002 \u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u884c\u3046\u969b\u306b\u306f\u3001\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u660e\u78ba\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u6709\u52b9\u671f\u9650\u3092\u77ed\u304f\u8a2d\u5b9a\u3057\u3001\u7dbf\u5bc6\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u306a\u3069\u3001\u4e00\u6642\u7684\u306b\u8981\u4ef6\u3092\u7de9\u548c\u3057\u305f\u30dd\u30ea\u30b7\u30fc\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002.<\/p>\n\n<h2>\u969c\u5bb3\u30d1\u30bf\u30fc\u30f3\u306e\u7279\u5b9a\uff1a\u30ed\u30ae\u30f3\u30b0\u3068\u30c8\u30ea\u30a2\u30fc\u30b8<\/h2>\n\n<p>\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306f\u7279\u5b9a\u3067\u304d\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3001 <strong>\u6697\u3044<\/strong>. \u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u30ed\u30ae\u30f3\u30b0\u3092\u6709\u52b9\u306b\u3057\u3001\u96c6\u4e2d\u3084\u5916\u308c\u5024\u3092\u793a\u3059\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u5206\u6790\u3057\u307e\u3059\u3002 EPERM \u3084 EACCES \u3092\u542b\u3080\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30eb\u30fc\u30eb\u304c\u53b3\u3057\u3059\u304e\u308b\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002\u4e88\u671f\u3057\u306a\u3044\u30ad\u30eb\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u8d77\u56e0\u3059\u308b\u3068\u5224\u65ad\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30d5\u30e9\u30b0\u3084\u5f15\u6570\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001 <strong>\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong> \u6700\u5c0f\u9650\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u3082\u3046\u4e00\u5ea6\u30c6\u30b9\u30c8\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n<h2>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30d7\u30ec\u30a4\u30d6\u30c3\u30af<\/h2>\n\n<ul>\n  <li><strong>\u8907\u88fd\u3059\u308b<\/strong>: \u307e\u3063\u305f\u304f\u540c\u3058\u5165\u529b\uff0f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u518d\u73fe\u3057\u3001\u30ed\u30b0\u3092\u7167\u5408\u3059\u308b\u3002.<\/li>\n  <li><strong>\u7279\u5b9a\u3059\u308b<\/strong>: \u8a72\u5f53\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u5f15\u6570\u3068\u3068\u3082\u306b\u8a18\u9332\u3059\u308b\uff08\u4f8b\uff1a\u30e9\u30f3\u30bf\u30a4\u30e0\u30ed\u30b0\u3084\u76e3\u67fb\u51fa\u529b\u306a\u3069\uff09\u3002.<\/li>\n  <li><strong>\u30ec\u30fc\u30c8<\/strong>: \u3053\u306e\u547c\u3073\u51fa\u3057\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f\u30ea\u30b9\u30af\u306e\u4f4e\u3044\u4ee3\u66ff\u6848\u306f\u3042\u308a\u307e\u3059\u304b\uff08\u4f8b\uff1aopen\u306e\u4ee3\u308f\u308a\u306bopenat\u3092\u4f7f\u3046\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u306a\u3069\uff09\uff1f<\/li>\n  <li><strong>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong>: \u6700\u5c0f\u9650\u306e\u8a31\u53ef\u3068\u3057\u3001\u5f15\u6570\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f75\u7528\u3059\u308b\u306e\u304c\u7406\u60f3\u7684\u3002\u6a19\u6e96\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u300c\u53b3\u683c\u300d\u306e\u307e\u307e\u306b\u3059\u308b\u3002.<\/li>\n  <li><strong>\u78ba\u4fdd\u3059\u308b<\/strong>: \u6271\u3044\u304c\u96e3\u3057\u3044\u4f8b\u5916\u306b\u3064\u3044\u3066\u306f\u3001\u3055\u3089\u306b\u30ad\u30e3\u30d1\u30d3\u30ea\u30c6\u30a3\u306e\u5236\u9650\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306f\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306e\u8a2d\u5b9a\u3092\u53b3\u683c\u5316\u3059\u308b\u3002.<\/li>\n  <li><strong>\u518d\u8a66\u9a13\u304a\u3088\u3073\u30c6\u30ec\u30e1\u30c8\u30ea<\/strong>: \u4fee\u6b63\u5f8c\u3001\u5bfe\u8c61\u3092\u7d5e\u3063\u3066\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u76e3\u8996\u3057\u3001\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/tech_office_linux_security_8432.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>SELinux\u3001AppArmor\u3001Capabilities\u3068\u306e\u6bd4\u8f03<\/h2>\n\n<p>Seccomp\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30ab\u30fc\u30cd\u30eb\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u52d5\u4f5c\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001SELinux\u3084AppArmor\u306f\u4e3b\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002Capabilities\u306f\u7279\u6a29\u64cd\u4f5c\u3092\u5236\u5fa1\u3057\u307e\u3059\u304c\u3001\u79c1\u306f\u3053\u308c\u3092\u3055\u3089\u306b\u5927\u5e45\u306b\u5236\u9650\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u52a0\u3048\u3001 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc-%e3%82%b3%e3%83%b3%e3%83%86%e3%82%ad%e3%82%b9%e3%83%88-%e5%88%86%e9%9b%a2-%e5%90%8d%e5%89%8d%e7%a9%ba%e9%96%93-c%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97-%e3%83%9b\/\">\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3068Cgroups<\/a> \u3053\u308c\u306b\u3088\u308a\u3001\u591a\u5c64\u7684\u306a\u4fdd\u8b77\u4f53\u5236\u304c\u69cb\u7bc9\u3055\u308c\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9\u3092\u5206\u96e2\u3057\u3001\u4e0d\u8981\u306a\u6a29\u9650\u3092\u5236\u9650\u3057\u3001\u30ab\u30fc\u30cd\u30eb\u30d1\u30b9\u3092 <strong>Seccomp<\/strong>. \u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092\u53b3\u5bc6\u306b\u7ba1\u7406\u3057\u3001\u5bb9\u6613\u306b\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/h2>\n\n<p>\u9069\u5207\u306b\u69cb\u7bc9\u3055\u308c\u305fSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u3054\u304f\u308f\u305a\u304b\u306a <strong>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/strong>: \u30ab\u30fc\u30cd\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3054\u3068\u306b\u5c0f\u3055\u306aBPF\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u4e00\u822c\u7684\u306aWeb\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u306f\u3001\u305d\u306e\u5f71\u97ff\u306f\u307b\u3068\u3093\u3069\u6e2c\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u9ad8\u983b\u5ea6\u3067\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u591a\u7528\u3059\u308b\u51e6\u7406\u30d1\u30b9\uff08\u4f8b\uff1a\u30d1\u30b1\u30c3\u30c8\u51e6\u7406\u3001IPC\u3092\u591a\u7528\u3059\u308b\u30ef\u30fc\u30ab\u30fc\uff09\u3067\u306f\u3001\u554f\u984c\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u30eb\u30fc\u30eb\u306e\u6570\u3092\u7d5e\u308a\u8fbc\u307f\u3001\u9577\u3044\u30ea\u30b9\u30c8\u306e\u4ee3\u308f\u308a\u306b\u5f15\u6570\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3001\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u30db\u30c3\u30c8\u30d1\u30b9\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u3063\u3066\u6e2c\u5b9a\u53ef\u80fd\u306a\u9045\u5ef6\u304c\u751f\u3058\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u91cd\u8907\u3084\u4e0d\u6b63\u78ba\u306a\u30de\u30c3\u30c1\u304c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3001\u7279\u5b9a\u306e\u7a00\u306a\u547c\u3073\u51fa\u3057\u3092\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u79fb\u884c\u3067\u304d\u306a\u3044\u304b\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u5b89\u5168\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n<p>\u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u958b\u59cb\u3057\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u305d\u308c\u3092\u7d5e\u308a\u8fbc\u3093\u3067\u3044\u304d\u307e\u3059 <strong>\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/strong>. \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3084\u8a8d\u8a3c\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u3001\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u7279\u306b\u53b3\u683c\u306a\u30eb\u30fc\u30eb\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u306fCI\/CD\u306b\u7d44\u307f\u8fbc\u307f\u3001\u81ea\u52d5\u7684\u306b\u30c6\u30b9\u30c8\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u6a5f\u80fd\u306e\u5927\u5e45\u306a\u5236\u9650\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073\u300cNoNewPrivs\u300d\u306e\u9069\u7528\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u30db\u30b9\u30c8\u5168\u4f53\u306e\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u3001\u4ee5\u4e0b\u306eURL\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab%e3%81%ae%e5%bc%b7%e5%8c%96%e3%80%81linux%e3%80%81%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e5%90%91%e3%81%91\/\">\u30ab\u30fc\u30cd\u30eb\u306e\u5805\u7262\u5316<\/a>, \u3001Seccomp\u3068\u76f8\u6027\u304c\u826f\u3044\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/linux_seccomp_sicherheit_1234.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u9ad8\u5ea6\u306a\u786c\u5316\u51e6\u7406\uff1a\u79c1\u304c\u3055\u3089\u306b\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3053\u3068<\/h2>\n\n<p>\u304a\u306a\u3058\u307f\u306e\u9762\u3005\u306b\u52a0\u3048\u3066\uff08<em>\u30de\u30a6\u30f3\u30c8<\/em>, <em>\u5171\u6709\u3092\u89e3\u9664<\/em>, <em>bpf<\/em>, <em>ptrace<\/em>, <em>keyctl<\/em>, <em>perf_event_open<\/em>) \u4ee5\u4e0b\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3001\u6587\u8108\u306b\u5fdc\u3058\u3066\u5927\u5e45\u306b\u5236\u9650\u3059\u308b\u304b\u3001\u5b8c\u5168\u306b\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n  <li><strong>setns<\/strong>: \u4ed6\u306e\u540d\u524d\u7a7a\u9593\u3078\u306e\u30b8\u30e3\u30f3\u30d7\u3092\u9632\u3050\u3002.<\/li>\n  <li><strong>process_vm_readv\/process_vm_writev<\/strong>: \u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u30e1\u30e2\u30ea\u3078\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3092\u7981\u6b62\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>kexec_load<\/strong> \u305d\u3057\u3066 <strong>\u518d\u8d77\u52d5<\/strong>: \u518d\u8d77\u52d5\u3084\u30ab\u30fc\u30cd\u30eb\u306e\u7f6e\u304d\u63db\u3048\u306e\u8a66\u307f\u304b\u3089\u4fdd\u8b77\u3059\u308b\u3002.<\/li>\n  <li><strong>swapon\/swapoff<\/strong> \u305d\u3057\u3066 <strong>init_module\/finit_module<\/strong>: \u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5236\u9650\u3059\u308b\u3002.<\/li>\n  <li><strong>clone3<\/strong> \u30ea\u30b9\u30af\u306e\u9ad8\u3044\u30d5\u30e9\u30b0\uff08\u4f8b\uff1a\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\uff09\u306b\u3064\u3044\u3066\u306f\u3001\u5f15\u6570\u3092\u7528\u3044\u3066\u304d\u3081\u7d30\u304b\u304f\u5236\u9650\u3059\u308b\u3002.<\/li>\n  <li><strong>io_uring_setup<\/strong>: \u51e6\u7406\u8ca0\u8377\u306b\u5fdc\u3058\u3066\u8a31\u53ef\u3059\u308b\u304b\u3001\u53b3\u3057\u304f\u5236\u9650\u3059\u308b\u304b\u3002\u3053\u308c\u306f\u5f37\u529b\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3042\u308b\u305f\u3081\u3002.<\/li>\n<\/ul>\n<p>\u6307\u91dd\u3068\u3057\u3066\u306f\u3001\u300c\u5fc5\u8981\u306a\u5206\u3060\u3051\u3001\u3067\u304d\u308b\u3060\u3051\u5c11\u306a\u304f\u300d\u2015\u2015\u305d\u3057\u3066\u3001\u5e83\u304f\u9069\u7528\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u30eb\u30fc\u30eb\u3088\u308a\u3082\u3001\u5c0f\u898f\u6a21\u3067\u6587\u66f8\u5316\u3055\u308c\u305f\u4f8b\u5916\u30eb\u30fc\u30eb\u3092\u8a2d\u3051\u308b\u65b9\u304c\u671b\u307e\u3057\u3044\u3002.<\/p>\n\n<h2>CI\/CD\u304a\u3088\u3073Teams\u3078\u306e\u7d71\u5408<\/h2>\n\n<p>\u79c1\u306fSeccomp\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u6b21\u306e\u3088\u3046\u306b\u6271\u3063\u3066\u3044\u307e\u3059\u3002 <strong>\u30b3\u30fc\u30c9<\/strong>: \u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3001\u30ec\u30d3\u30e5\u30fc\u3001\u30c6\u30b9\u30c8\u3002 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