{"id":99848,"date":"2021-04-15T22:22:47","date_gmt":"2021-04-15T20:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-modulya-lkrg-0-9-0-dlya-zashhity-ot-ekspluataczii-uyazvimostej-v-yadre-linux"},"modified":"2021-04-15T22:22:47","modified_gmt":"2021-04-15T20:22:47","slug":"vypusk-modulya-lkrg-0-9-0-dlya-zashhity-ot-ekspluataczii-uyazvimostej-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-modulya-lkrg-0-9-0-dlya-zashhity-ot-ekspluataczii-uyazvimostej-v-yadre-linux","title":{"rendered":"Vydanie modulu LKRG 0.9.0 na ochranu pred zneu\u017e\u00edvan\u00edm zranite\u013enost\u00ed v jadre Linuxu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt Openwall zverejnil vydanie modulu jadra LKRG 0.9.0 (Linux Kernel Runtime Guard), ktor\u00fd je ur\u010den\u00fd na odha\u013eovanie a blokovanie \u00fatokov a poru\u0161en\u00ed integrity \u0161trukt\u00far jadra. Napr\u00edklad, modul m\u00f4\u017ee chr\u00e1ni\u0165 pred neopr\u00e1vnen\u00fdmi zmenami vo funguj\u00facom jadre a pokusmi o zmenu opr\u00e1vnen\u00ed pou\u017e\u00edvate\u013esk\u00fdch procesov (ur\u010denie aplik\u00e1cie exploitov). Modul je vhodn\u00fd na ochranu pred exploitmi u\u017e zn\u00e1mych zranite\u013enost\u00ed jadra Linux (napr\u00edklad v situ\u00e1ci\u00e1ch, ke\u010f je problematick\u00e9 aktualizova\u0165 jadro v syst\u00e9me), ako aj na odol\u00e1vanie exploitom pre e\u0161te nezn\u00e1me zranite\u013enosti. K\u00f3d projektu je distribu\u010dne pod licenciou GPLv2.    <\/p>\n<p>Medzi zmenami v novej verzii:  <\/p>\n<ul>\n<li class=\"l\">   Zabezpe\u010den\u00e1 kompatibilita s jadrami Linux od 5.8 do 5.12, ako aj so stabiln\u00fdmi jadrami 5.4.87 a nov\u0161\u00edmi (vr\u00e1tane noviniek z jadier 5.8 a nov\u0161\u00edch) a s jadrami z verzi\u00ed RHEL a\u017e po 8.4, pri\u010dom sa zachov\u00e1va podpora v\u0161etk\u00fdch predt\u00fdm podporovan\u00fdch verzi\u00ed jadier, ako s\u00fa jadra z RHEL 7;\n<li class=\"l\">   Pridan\u00e1 mo\u017enos\u0165 zostavenia LKRG nielen ako extern\u00e9ho modulu, ale aj ako s\u00fa\u010dasti stromu jadra Linux, vr\u00e1tane jeho zahrnutia do obrazu jadra;\n<li class=\"l\">   Pridan\u00e1 podpora mnoh\u00fdch \u010fal\u0161\u00edch konfigur\u00e1ci\u00ed jadra a syst\u00e9mu;\n<li class=\"l\">   Opraven\u00fdch nieko\u013eko podstatn\u00fdch ch\u00fdb a nedostatkov v LKRG;\n<li class=\"l\">   V\u00fdrazne zjednodu\u0161en\u00e1 implement\u00e1cia niektor\u00fdch komponentov LKRG;\n<li class=\"l\">   Vykonan\u00e9 zmeny na zjednodu\u0161enie \u010fal\u0161ej podpory a ladenia LKRG;\n<li class=\"l\">   Na testovanie LKRG bola pridan\u00e1 integr\u00e1cia s out-of-tree a mkosi;\n<li class=\"l\">   Repozit\u00e1r projektu bol presunut\u00fd z BitBucket na GitHub a bola pridan\u00e1 nepretr\u017eit\u00e1 integr\u00e1cia s vyu\u017eit\u00edm GitHub Actions a mkosi, vr\u00e1tane kontroly zostavenia a nahr\u00e1vania LKRG do jadier vydan\u00ed Ubuntu, ako aj do ka\u017edodenn\u00fdch zostaven\u00ed \u010derstv\u00fdch mainline jadier poskytovan\u00fdch projektom Ubuntu.  <\/ul>\n<p>V tejto verzii LKRG sa priamym pr\u00edspevkom (cez pull requesty na GitHub) podie\u013ealo nieko\u013eko v\u00fdvoj\u00e1rov, ktor\u00ed sa predt\u00fdm na projekte nez\u00fa\u010dastnili. Najm\u00e4 Boris Lukashev pridal mo\u017enos\u0165 zostavenia v r\u00e1mci stromu jadra Linux a Vitaliy Chikunov z ALT Linux \u2014 integr\u00e1ciu s mkosi a GitHub Actions.    <\/p>\n<p>Celkovo, napriek v\u00fdrazn\u00fdm doplneniam, sa po\u010det riadkov k\u00f3du LKRG druh\u00fdkr\u00e1t za sebou mierne zni\u017euje (predt\u00fdm sa tie\u017e zn\u00ed\u017eil medzi verziami 0.8 a 0.8.1).    <\/p>\n<p>Moment\u00e1lne bol bal\u00edk s LKRG v Arch Linux aktualizovan\u00fd na verziu 0.9.0 a nieko\u013eko \u010fal\u0161\u00edch bal\u00edkov vyu\u017e\u00edva ned\u00e1vne git-verzie LKRG a pravdepodobne sa \u010doskoro tie\u017e aktualizuj\u00fa na verziu 0.9.0 a naviac.    <\/p>\n<p>M\u00f4\u017eeme tie\u017e spomen\u00fa\u0165 ned\u00e1vnu publik\u00e1ciu od v\u00fdvoj\u00e1rov OS Avrora (rusk\u00e1 modifik\u00e1cia Sailfish OS) o mo\u017enom posilnen\u00ed LKRG pomocou ARM TrustZone.    <\/p>\n<p>Podrobnosti o LKRG n\u00e1jdete v ozn\u00e1men\u00ed verzie 0.8 a diskusii, ktor\u00e1 sa vtedy konala.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54974\">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 0.9.0 (Linux Kernel Runtime Guard), \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u0442\u0430\u043a \u0438 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0439 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440 \u044f\u0434\u0440\u0430. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0434\u0443\u043b\u044c \u043c\u043e\u0436\u0435\u0442 \u0437\u0430\u0449\u0438\u0442\u0438\u0442\u044c \u043e\u0442 \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 \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 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u043e\u0432 \u0443\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u044f\u0434\u0440\u0430 [&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-99848","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 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