{"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\/es\/blog\/news\/vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux","title":{"rendered":"Lanzamiento del m\u00f3dulo LKRG 0.7 para protecci\u00f3n contra la explotaci\u00f3n de vulnerabilidades en el n\u00facleo de Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Proyecto Openwall <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@lists.openwall.com\/msg00169.html\">public\u00f3<\/a><\/noindex> lanzamiento del m\u00f3dulo del n\u00facleo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lkrg\/\">LKRG 0.7<\/a><\/noindex>  (Linux Kernel Runtime Guard), que proporciona la detecci\u00f3n de modificaciones no autorizadas en el n\u00facleo en funcionamiento (verificaci\u00f3n de integridad) o intentos de cambiar los privilegios de los procesos de usuario (determinaci\u00f3n de la aplicaci\u00f3n de exploits). Este m\u00f3dulo es adecuado tanto para la protecci\u00f3n contra exploits conocidos del n\u00facleo de Linux (por ejemplo, en situaciones donde es problem\u00e1tico actualizar el n\u00facleo del sistema), como para contrarrestar exploits de vulnerabilidades a\u00fan desconocidas. Sobre las caracter\u00edsticas de LKRG se puede leer en <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47989\">el primer anuncio del proyecto<\/a><\/noindex>. <\/p>\n<p>Entre los cambios en la nueva versi\u00f3n:<\/p>\n<ul>\n<li class=\"l\"> Se llev\u00f3 a cabo la refactorizaci\u00f3n del c\u00f3digo para garantizar el soporte de diversas arquitecturas de CPU. Se agreg\u00f3 soporte inicial para la arquitectura ARM64;\n<li class=\"l\"> Se ha asegurado la compatibilidad con los n\u00facleos de Linux 5.1 y 5.2, as\u00ed como con n\u00facleos compilados sin incluir las opciones CONFIG_DYNAMIC_DEBUG durante la construcci\u00f3n del n\u00facleo,<br \/>\nCONFIG_ACPI y CONFIG_STACKTRACE, y con n\u00facleos compilados con la opci\u00f3n CONFIG_STATIC_USERMODEHELPER. Se a\u00f1adi\u00f3 soporte experimental para n\u00facleos del proyecto grsecurity;<\/p>\n<li class=\"l\"> Se ha modificado significativamente la l\u00f3gica de inicializaci\u00f3n;\n<li class=\"l\"> En la subsistema de verificaci\u00f3n de integridad se ha reactivado el autohash (self-hashing) y se ha eliminado una condici\u00f3n de carrera en el motor de etiquetas de transici\u00f3n (*_JUMP_LABEL), que llevaba a bloqueos mutuos durante la inicializaci\u00f3n al mismo tiempo que eventos de carga o descarga de otros m\u00f3dulos;\n<li class=\"l\"> En el c\u00f3digo de determinaci\u00f3n de la aplicaci\u00f3n de exploits se han a\u00f1adido nuevos sysctl lkrg.smep_panic (activado por defecto) y lkrg.umh_lock (desactivado por defecto), se han a\u00f1adido comprobaciones adicionales del bit SMEP\/WP, se ha cambiado la l\u00f3gica de seguimiento de nuevas tareas en el sistema, se ha reformulado la l\u00f3gica interna de sincronizaci\u00f3n con los recursos de las tareas, y se ha a\u00f1adido soporte para OverlayFS, incluyendo Ubuntu Apport en la lista blanca.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux\" 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