{"id":170848,"date":"2026-05-18T00:24:30","date_gmt":"2026-05-17T22:24:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/modulejail-dlya-blokirovki-neispolzuemyh-modulej-yadra-linux"},"modified":"2026-05-18T00:24:30","modified_gmt":"2026-05-17T22:24:30","slug":"modulejail-dlya-blokirovki-neispolzuemyh-modulej-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/modulejail-dlya-blokirovki-neispolzuemyh-modulej-yadra-linux","title":{"rendered":"ModuleJail a nem haszn\u00e1lt Linux kernel modulok blokkol\u00e1s\u00e1ra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Jasper Nuyens, a Linux Belgium alap\u00edt\u00f3ja, aki a Linux haszn\u00e1lat\u00e1ra vonatkoz\u00f3 kieg\u00e9sz\u00edt\u00e9st fejlesztett ki a Tesla aut\u00f3k inform\u00e1ci\u00f3s rendszer\u00e9ben, egyszer\u0171 m\u00f3dot javasolt a Linux kernel t\u00e1mad\u00e1si fel\u00fclet\u00e9nek cs\u00f6kkent\u00e9s\u00e9re, hogy cs\u00f6kkentse a kompromitt\u00e1l\u00f3d\u00e1s val\u00f3sz\u00edn\u0171s\u00e9g\u00e9t a vesz\u00e9lyes sebezhet\u0151s\u00e9gek AI \u00e1ltali felfedez\u00e9se sor\u00e1n. Mivel sok sebezhet\u0151s\u00e9g \u00e1ltal\u00e1ban a specifikus kernel modulokban tal\u00e1lhat\u00f3, amelyek aut\u00f3ind\u00edt\u00e1sra el\u00e9rhet\u0151k, de a legt\u00f6bb felhaszn\u00e1l\u00f3 \u00e1ltal\u00e1ban nem haszn\u00e1lj\u00e1k \u0151ket, Jasper javasolta az alap\u00e9rtelmezett blokkol\u00e1st az aktu\u00e1lis vagy ritk\u00e1n haszn\u00e1lt modulok eset\u00e9ben. <\/p>\n

A kernelben t\u00f6bb ezer modul \u00e9rhet\u0151 el, de a legt\u00f6bb rendszer csak n\u00e9h\u00e1ny sz\u00e1zat haszn\u00e1l, m\u00edg a t\u00f6bbi el\u00e9rhet\u0151 a bet\u00f6lt\u00e9sre, \u00e9s potenci\u00e1lisan sebezhet\u0151s\u00e9geket tartalmazhat. Az \u00f6tlet megval\u00f3s\u00edt\u00e1sa a ModuleJail script-tel t\u00f6rt\u00e9nik, mely meghat\u00e1rozza a jelenlegi rendszerben haszn\u00e1lt modulok list\u00e1j\u00e1t (a \/proc\/modules r\u00e9v\u00e9n) \u00e9s automatikusan fekete list\u00e1ra helyezi a nem haszn\u00e1lt modulokat. A script shell nyelven \u00edr\u00f3dott, elterjedt rendszerseg\u00e9deszk\u00f6z\u00f6ket haszn\u00e1l (el\u00e9g a busybox) \u00e9s GPLv3 licenc alatt terjesztik. <\/p>\n

A script t\u00e1mogatja a futtat\u00e1st Debian, Ubuntu, RHEL, Fedora, SUSE, AlmaLinux, Rocky Linux, Alpine \u00e9s Arch Linux rendszereken, \u00e9s munk\u00e1ja eredm\u00e9nyek\u00e9nt l\u00e9trehoz egy \/etc\/modprobe.d\/modulejail-blacklist.conf f\u00e1jlt, amelyet a rendszer automatikus kernel modulok ind\u00edt\u00e1s\u00e1nak letilt\u00e1s\u00e1ra haszn\u00e1l. Az ilyen megk\u00f6zel\u00edt\u00e9s lehet\u0151v\u00e9 teszi a rendszer el\u0151zetes v\u00e9delm\u00e9t an\u00e9lk\u00fcl, hogy speci\u00e1lis kernel modulok bet\u00f6lt\u00e9s\u00e9re vagy tov\u00e1bbi h\u00e1tt\u00e9rfolyamatok v\u00e9grehajt\u00e1s\u00e1ra lenne sz\u00fcks\u00e9g a rendszer megfigyel\u00e9s\u00e9re. <\/p>\n

Sz\u00fcks\u00e9g eset\u00e9n a felhaszn\u00e1l\u00f3k lehet\u0151s\u00e9get kapnak olyan modulok feh\u00e9rlist\u00e1z\u00e1s\u00e1ra, amelyek jelenleg nincsenek bet\u00f6ltve, de potenci\u00e1lisan felhaszn\u00e1lhat\u00f3k a munk\u00e1ban. Ezenk\u00edv\u00fcl el\u00e9rhet\u0151k a legsz\u00fcks\u00e9gesebb modulokat enged\u00e9lyez\u0151 profilok is a rendszer tipikus alkalmaz\u00e1saihoz. Javasolt profilok: \u201eminimal\u201d (csak a legfontosabb modulok \u00e9s alap FS), \u201econservative\u201d (+ tipikus meghajt\u00f3k szerverekhez \u00e9s virtu\u00e1lis g\u00e9pekhez<\/a>) \u00e9s a desktop (+ WiFi, Bluetooth, hang \u00e9s vide\u00f3 illeszt\u0151programok).
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u0436\u0430\u0441\u043f\u0435\u0440 \u041d\u044e\u0439\u0435\u043d\u0441 (Jasper Nuyens), \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 Linux Belgium, \u0441\u043e\u0437\u0434\u0430\u0432\u0448\u0438\u0439 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0443 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f Linux \u0432 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u0435\u0439 Tesla, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u044f\u0434\u0440\u043e Linux \u0434\u043b\u044f \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 \u043d\u0430 \u0444\u043e\u043d\u0435 \u0432\u0441\u043f\u043b\u0435\u0441\u043a\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u043f\u0430\u0441\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 AI. \u0422\u0430\u043a \u043a\u0430\u043a \u043c\u043d\u043e\u0433\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e, \u043d\u0430\u0445\u043e\u0434\u044f\u0442 \u0432 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u043c\u043e\u0434\u0443\u043b\u044f\u0445 \u044f\u0434\u0440\u0430, \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u0434\u043b\u044f \u0430\u0432\u0442\u043e\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u043d\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-170848","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47ModuleJail a nem haszn\u00e1lt Linux kernel modulok blokkol\u00e1s\u00e1hoz | ProHoster","description":"Jasper Nuyens, a founder of the Linux Belgium organization who created an extension for using Linux in the information system of Tesla cars, proposed a simple way to reduce the attack 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\u043d\u0430.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/modulejail-dlya-blokirovki-neispolzuemyh-modulej-yadra-linux","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-05-17T22:24:30+00:00","article:modified_time":"2026-05-17T22:24:30+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/170848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=170848"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/170848\/revisions"}],"predecessor-version":[{"id":181605,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/170848\/revisions\/181605"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=170848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=170848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=170848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}