{"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\/it\/blog\/news\/vypusk-modulya-lkrg-0-7-dlya-zashhity-ot-ekspluatatsii-uyazvimostej-v-yadre-linux","title":{"rendered":"Uscita del modulo LKRG 0.7 per la protezione contro lo sfruttamento delle vulnerabilit\u00e0 nel kernel Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Progetto Openwall <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@lists.openwall.com\/msg00169.html\">ha pubblicato<\/a><\/noindex> rilascio del modulo del kernel <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lkrg\/\">LKRG 0.7<\/a><\/noindex>  (Linux Kernel Runtime Guard), che fornisce la rilevazione di modifiche non autorizzate al kernel in esecuzione (verifica dell'integrit\u00e0) o tentativi di modifica dei privilegi dei processi utente (rilevazione di exploit). Il modulo \u00e8 adatto sia per la protezione contro exploit gi\u00e0 noti per il kernel Linux (ad esempio, in situazioni in cui \u00e8 problematico aggiornare il kernel), sia per contrastare exploit per vulnerabilit\u00e0 ancora sconosciute. \u00c8 possibile leggere informazioni sulle caratteristiche di LKRG nel <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47989\">primo annuncio del progetto<\/a><\/noindex>. <\/p>\n<p>Tra le novit\u00e0 nella nuova versione:<\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata effettuata la rifattorizzazione del codice per garantire il supporto di diverse architetture CPU. \u00c8 stato aggiunto il supporto iniziale per l'architettura ARM64;\n<li class=\"l\"> \u00c8 stata garantita la compatibilit\u00e0 con i kernel Linux 5.1 e 5.2, oltre ai kernel compilati senza includere nelle opzioni di build del kernel CONFIG_DYNAMIC_DEBUG,<br \/>\nCONFIG_ACPI e CONFIG_STACKTRACE, e con i kernel compilati con l'opzione CONFIG_STATIC_USERMODEHELPER. \u00c8 stato aggiunto il supporto sperimentale per i kernel del progetto grsecurity;<\/p>\n<li class=\"l\"> \u00c8 stata modificata significativamente la logica di inizializzazione;\n<li class=\"l\"> Nel sottosistema di verifica dell'integrit\u00e0 \u00e8 stata reintegrata l'auto-hashing (self-hashing) e risolto uno stato di race nel motore delle etichette di salto (*_JUMP_LABEL), che portava a un blocco reciproco durante l'inizializzazione insieme a eventi di caricamento o scaricamento di altri moduli;\n<li class=\"l\"> Nel codice di rilevazione degli exploit sono stati aggiunti i nuovi sysctl lkrg.smep_panic (attivo per impostazione predefinita) e lkrg.umh_lock (disattivato per impostazione predefinita), aggiunte ulteriori verifiche sul bit SMEP\/WP, modificata la logica per il monitoraggio dei nuovi task nel sistema, rivista la logica interna di sincronizzazione con le risorse dei task, \u00e8 stato aggiunto il supporto per OverlayFS e messo nell'elenco bianco Ubuntu Apport.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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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