{"id":36370,"date":"2019-10-31T22:11:17","date_gmt":"2019-10-31T19:11:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux\/"},"modified":"2019-10-31T22:11:17","modified_gmt":"2019-10-31T19:11:17","slug":"vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux","title":{"rendered":"Wydanie modu\u0142u LKRG 0.7 w celu ochrony przed wykorzystaniem luk w j\u0105drze Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt Openwall <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@lists.openwall.com\/msg00169.html\">opublikowa\u0142<\/a><\/noindex> wydanie modu\u0142u j\u0105dra <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lkrg\/\">LKRG 0.7<\/a><\/noindex>  (Linux Kernel Runtime Guard), zapewniaj\u0105cego wykrywanie nieautoryzowanych zmian w dzia\u0142aj\u0105cym j\u0105drze (sprawdzanie integralno\u015bci) lub pr\u00f3b zmiany uprawnie\u0144 proces\u00f3w u\u017cytkownik\u00f3w (okre\u015blenie wykorzystania exploit\u00f3w). Modu\u0142 nadaje si\u0119 zar\u00f3wno do ochrony przed ju\u017c znanymi exploitami dla j\u0105dra Linux (na przyk\u0142ad w sytuacjach, gdy w systemie trudno jest zaktualizowa\u0107 j\u0105dro), jak i do przeciwdzia\u0142ania exploitom dla jeszcze nieznanych luk. O cechach LKRG mo\u017cna przeczyta\u0107 w <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47989\">pierwszym og\u0142oszeniu projektu<\/a><\/noindex>. <\/p>\n<p>W\u015br\u00f3d zmian w nowej wersji:<\/p>\n<ul>\n<li class=\"l\"> Przeprowadzono refaktoryzacj\u0119 kodu w celu zapewnienia wsparcia dla r\u00f3\u017cnych architektur CPU. Dodano pocz\u0105tkowe wsparcie dla architektury ARM64;\n<li class=\"l\"> Zapewniono zgodno\u015b\u0107 z j\u0105drami Linux 5.1 i 5.2 oraz z j\u0105drami skompilowanymi bez w\u0142\u0105czania opcji CONFIG_DYNAMIC_DEBUG przy kompilacji j\u0105dra,<br \/>\nCONFIG_ACPI i CONFIG_STACKTRACE, oraz z j\u0105drami skompilowanymi z opcj\u0105 CONFIG_STATIC_USERMODEHELPER. Dodano eksperymentalne wsparcie dla j\u0105der z projektu grsecurity;<\/p>\n<li class=\"l\"> Znacznie zmieniono logik\u0119 inicjalizacji;\n<li class=\"l\"> W podsystemie weryfikacji integralno\u015bci ponownie w\u0142\u0105czono samohaszowanie (self-hashing) i usuni\u0119to stan wy\u015bcigu w silniku etykiet przej\u015bciowych (*_JUMP_LABEL), co prowadzi\u0142o do wzajemnego blokowania podczas inicjalizacji jednocze\u015bnie z wydarzeniami \u0142adowania lub wy\u0142adowania innych modu\u0142\u00f3w;\n<li class=\"l\"> W kodzie definiuj\u0105cym wykorzystanie exploit\u00f3w dodano nowe sysctl lkrg.smep_panic (domy\u015blnie w\u0142\u0105czony) oraz lkrg.umh_lock (domy\u015blnie wy\u0142\u0105czony), dodano dodatkowe kontrole bitu SMEP\/WP, zmieniono logik\u0119 \u015bledzenia nowych zada\u0144 w systemie, przemy\u015blano wewn\u0119trzn\u0105 logik\u0119 synchronizacji z zasobami zada\u0144, dodano wsparcie dla OverlayFS, umieszczono w bia\u0142ej li\u015bcie Ubuntu Apport.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51139\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Openwall \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0432\u044b\u043f\u0443\u0441\u043a \u043c\u043e\u0434\u0443\u043b\u044f \u044f\u0434\u0440\u0430 LKRG 0.7 (Linux Kernel Runtime Guard), \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0435 \u044f\u0434\u0440\u043e (\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438) \u0438\u043b\u0438 \u043f\u043e\u043f\u044b\u0442\u043e\u043a \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 (\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u043e\u0432). \u041c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u043a\u0430\u043a \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0443\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u043e\u0432 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u0445 \u043a\u043e\u0433\u0434\u0430 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u0442\u0438\u0447\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u044f\u0434\u0440\u043e), \u0442\u0430\u043a \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36370","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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