{"id":121343,"date":"2025-01-15T09:46:00","date_gmt":"2025-01-15T07:46:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-gotovyashhemsya-v-relizu-yadre-linux-6-13-vyyavlen-sboj-vyzvannyj-kodom-sotrudnika-microsoft"},"modified":"2025-01-15T09:46:00","modified_gmt":"2025-01-15T07:46:00","slug":"v-gotovyashhemsya-v-relizu-yadre-linux-6-13-vyyavlen-sboj-vyzvannyj-kodom-sotrudnika-microsoft","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-gotovyashhemsya-v-relizu-yadre-linux-6-13-vyyavlen-sboj-vyzvannyj-kodom-sotrudnika-microsoft","title":{"rendered":"Linux 6.13 tuumal \u00f5nnestus tuvastada rike, mille p\u00f5hjustas Microsofti t\u00f6\u00f6taja kood.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linus Torvalds kavatses avaldada Linuxi tuuma versiooni 6.13 sel p\u00fchap\u00e4eval, kuid t\u00f5en\u00e4oliselt l\u00fckatakse 6.13 haru testimine n\u00e4dalaks edasi, kuna esines stabiilsusprobleeme Microsofti t\u00f6\u00f6taja poolt ettevalmistatud muudatustega, mis said 6.13 harusse novembris. Lisaks m\u00e4rgitakse, et probleemne patch esitati ebatavalises vormis \u2014 kuid see aktsepteeriti, kuigi see ei saanud \u00fchtegi kinnitust (ACK) x86 arhitektuuri peahoidjatelt, mis on tavaliste praktika t\u00f5ttu rikkumine. <\/p>\n

Plaaster lisas suurte m\u00e4lulehtede kasutamise v\u00f5imaluse ROX (Read Only Execute) re\u017eiimis, m\u00e4\u00e4rates m\u00e4lu, mis oli ette n\u00e4htud t\u00e4itmise koodi jaoks. ROX v\u00f5imaldab kasutada t\u00e4itmise koodiga m\u00e4lu ainult lugemisre\u017eiimis, mis muudab teatavate haavatavuste ekspluateerimise keerulisemaks. Linux 6.13-s oli x86_64 s\u00fcsteemides moodulite t\u00e4itmise koodile vaikimisi lubatud suurte t\u00e4itmise lehtede vahem\u00e4lu kasutamine, mis kajastub kui ROX. Muudatus lahendas ROX re\u017eiimis lehtede kaardistamise probleemi mitte t\u00e4iesti valminud t\u00e4itmise koodide jaoks ja lubas v\u00e4ltida ajutist ROX lehtede uuesti kaardistamist kirjutamisse, kuni moodulite ahel on t\u00f6\u00f6ks valmis. <\/p>\n

Linux 6.13 l\u00f5pptestimise etapis tuvastas Intel'i insener rikke, mis ei v\u00f5imaldanud kernelil \u00f5igesti unere\u017eiimist v\u00e4lja tulla teatavatel Intel'i protsessoritega s\u00fclearvutitel (nt Alidlake mikroarhitektuuril p\u00f5hinevate CPU-dega). Rike ilmnes siis, kui kernel kompileeriti Clangi kompilaatoriga, kui CFI (Control Flow Integrity) kaitse re\u017eiim, mis blokeerib tavalise t\u00e4itmise j\u00e4rjekorra rikkumisi, mis tulenevad eksploiteerimistest, mis muudavad m\u00e4llu salvestatud funktsioonide osutajad, oli sisse l\u00fclitatud. Ajutiseks lahenduseks soovitasid Intel'i ja AMD peataotlejad, kes vastutavad x86 arhitektuuri eest, keelata EXECMEM_ROX-i kasutamine Linux 6.13-s, kuni v\u00e4lja valmistatakse ja testitakse t\u00e4ielikku plaastrit, mis probleemi lahendab (esimene parandus ei lahendanud probleemi).
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043d\u0430\u043c\u0435\u0440\u0435\u0432\u0430\u043b\u0441\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u0440\u0435\u043b\u0438\u0437 \u044f\u0434\u0440\u0430 Linux 6.13 \u0432 \u044d\u0442\u043e \u0432\u043e\u0441\u043a\u0440\u0435\u0441\u0435\u043d\u044c\u0435, \u043d\u043e \u0441\u043a\u043e\u0440\u0435\u0435 \u0432\u0441\u0435\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 6.13 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u043e\u0434\u043b\u0435\u043d\u043e \u043d\u0430 \u043d\u0435\u0434\u0435\u043b\u044e \u0438\u0437-\u0437\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441\u043e \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e \u0432 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f\u0445, 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[…]<\/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-121343","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Valmivas Linuxi kerneli versioonis 6.13 avastati t\u00f5rge, mille p\u00f5hjustas Microsofti t\u00f6\u00f6taja kood | ProHoster","description":"Linus Torvalds kavatseb avaldada Linuxi kerneli versiooni 6.13 sellel p\u00fchap\u00e4eval, kuid t\u00f5en\u00e4oliselt pikendatakse 6.13 haru testimist n\u00e4dalaks probleemide t\u00f5ttu stabiilsusega tehtud 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