{"id":105304,"date":"2022-10-13T21:36:48","date_gmt":"2022-10-13T19:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda"},"modified":"2022-10-13T21:36:48","modified_gmt":"2022-10-13T19:36:48","slug":"uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda","title":{"rendered":"Linuxi tuumades leiduvad haavatavused, mis v\u00f5imaldavad kaugkoodi t\u00e4itmist","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linuxi tuuma juhtmevaba stackis (mac80211) on tuvastatud haavatavuste seeria, millest m\u00f5ned v\u00f5imaldavad potentsiaalselt puhver\u00fclemise ja kaugk\u00e4itamise saavutamist, saatmata kahtlaseid pakette juurdep\u00e4\u00e4supunkti kaudu. Parandamine on praegu saadaval ainult plaastri kujul.     <\/p>\n<p>R\u00fcnnaku teostamise v\u00f5imaluse demonstreerimiseks on avaldatud n\u00e4itekaadreid, mis p\u00f5hjustavad puhver\u00fclemise, samuti utiliit, mis sisestab need kaadrid 802.11 juhtmevabasse stacki. Haavatavused ei s\u00f5ltu kasutatavatest juhtmevabadest draivide. Arvatakse, et tuvastatud probleemid v\u00f5ivad olla kasutatavad t\u00f6\u00f6tavate eksploitide loomiseks kaugr\u00fcnnakute jaoks.  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-41674 \u2014 puhverdamine cfg80211_update_notlisted_nontrans funktsioonis, mis v\u00f5imaldab kirjutada kuni 256 baiti kuhja. Haavatavus ilmneb alates Linuxi kernelist 5.1 ja seda saab kasutada kaugkoodi t\u00e4itmiseks.\n<li class=\"l\"> CVE-2022-42719 \u2014 juurdep\u00e4\u00e4s juba vabastatud m\u00e4lualale (use-after-free) MBSSID-i parsimise koodis. Haavatavus ilmneb alates Linuxi kernelist 5.2 ja seda saab kasutada kaugkoodi t\u00e4itmiseks.\n<li class=\"l\"> CVE-2022-42720 \u2014 juurdep\u00e4\u00e4s juba vabastatud m\u00e4lualale (use-after-free) BSS (Basic Service Set) viidete loendamise koodis. Haavatavus ilmneb alates Linuxi kernelist 5.1 ja seda saab kasutada kaugkoodi t\u00e4itmiseks.\n<li class=\"l\"> CVE-2022-42721 \u2014 BSS-i loendi kahjustamine, mis p\u00f5hjustab l\u00f5putu ts\u00fckli. Haavatavus ilmneb alates Linuxi kernelist 5.1 ja seda saab kasutada teenuse k\u00e4tkev\u00f5tmiseks.\n<li class=\"l\"> CVE-2022-42722 \u2014 nullindikaatori dereferentseerimine beacon-raamide kaitse koodis. Probleemi saab kasutada teenuse k\u00e4tkev\u00f5tmiseks.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57916\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u043c \u0441\u0442\u0435\u043a\u0435 (mac80211) \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430, \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0431\u0443\u0444\u0435\u0440\u0430 \u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0442\u043e\u0447\u043a\u043e\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u043a\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0444\u043e\u0440\u043c\u0435 \u043f\u0430\u0442\u0447\u0430. \u0414\u043b\u044f \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f 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[&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-105304","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u043c \u0441\u0442\u0435\u043a\u0435 (mac80211) \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430, \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e 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