Vo verzii bal\u00edka distrib\u00facie Ubuntu 26.10, ktor\u00e9ho vydanie je napl\u00e1novan\u00e9 na 15. okt\u00f3bra, do\u0161lo k \u00fapln\u00e9mu prechodu na n\u00e1stroje uutils coreutils (Rust Coreutils), nap\u00edsan\u00e9 v jazyku Rust. N\u00e1stroje zo zbierky Rust Coreutils plne nahradili v\u0161etky komponenty bal\u00edka GNU Coreutils, vr\u00e1tane n\u00e1strojov cp, mv a rm, ktor\u00e9 boli v Ubuntu 26.04 dod\u00e1van\u00e9 vo verzii z GNU Coreutils. <\/p>\n
Bal\u00edk rust-coreutils bol p\u00f4vodne zahrnut\u00fd ako predvolen\u00fd v vydan\u00ed Ubuntu 25.10, ale v LTS vetve Ubuntu 26.04 do\u0161lo k rollbacku na dodanie util\u00edt cp, mv a rm zo s\u00faboru GNU Coreutils. Vari\u00e1cie cp, mv a rm boli vr\u00e1ten\u00e9 z d\u00f4vodu bezpe\u010dnostn\u00fdch probl\u00e9mov, ktor\u00e9 boli zisten\u00e9 po\u010das auditu k\u00f3dovej z\u00e1kladne Rust Coreutils. V\u00e4\u010d\u0161ina zranite\u013enost\u00ed v Rust Coreutils je sp\u00f4soben\u00e1 pr\u00edtomnos\u0165ou pretekaj\u00faceho stavu, \u010do umo\u017e\u0148uje zmeni\u0165 \u00fadaje medzi overen\u00edm spr\u00e1vnosti inform\u00e1ci\u00ed a vykonan\u00edm oper\u00e1cie s nimi (TOCTOU \u2014 Time-Of-Check-To-Time-Of-Use). Medzi in\u00fdm umo\u017e\u0148uj\u00fa tak\u00e9to zranite\u013enosti zameni\u0165 s\u00fabor za symbolick\u00fd odkaz v okamihu medzi dokon\u010den\u00edm kontroly a za\u010diatkom vykon\u00e1vania oper\u00e1cie. <\/p>\n
V kontexte pou\u017e\u00edvania n\u00e1strojov cp, mv a rm v syst\u00e9mov\u00fdch skriptoch sp\u00fa\u0161\u0165an\u00fdch s pr\u00e1vami root, substit\u00facia symbolick\u00e9ho odkazu umo\u017e\u0148uje kop\u00edrova\u0165, prep\u00edsa\u0165 alebo odstr\u00e1ni\u0165 \u013eubovo\u013en\u00e9 s\u00fabory. Napr\u00edklad, pri rekurz\u00edvnom odstra\u0148ovan\u00ed adres\u00e1rov n\u00e1stroj rm najprv overoval v\u0161etky adres\u00e1re a potom ich postupne odstra\u0148oval v opa\u010dnom porad\u00ed, pri\u010dom volal funkciu rmdir(). Ak nahrad\u00edme rodi\u010dovsk\u00fd adres\u00e1r symbolick\u00fdm odkazom hne\u010f po overen\u00ed tohto adres\u00e1ra, ale pred overen\u00edm vnoren\u00fdch podadres\u00e1rov, m\u00f4\u017eeme dosiahnu\u0165 odstr\u00e1nenie ak\u00e9hoko\u013evek adres\u00e1ra v syst\u00e9me pri ka\u017edodennom sp\u00fa\u0161\u0165an\u00ed zo skriptu cron \/etc\/cron.daily\/apport, ktor\u00fd pracuje s pr\u00e1vami root rekurz\u00edvne odstra\u0148uje obsah adres\u00e1ra \/var\/crash, ktor\u00fd je pr\u00edstupn\u00fd na z\u00e1pis v\u0161etk\u00fdm pou\u017e\u00edvate\u013eom v syst\u00e9me. \u0412 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0439 \u0431\u0430\u0437\u0435 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Ubuntu 26.10, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 15 \u043e\u043a\u0442\u044f\u0431\u0440\u044f, \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0451\u043d \u043f\u043e\u043b\u043d\u044b\u0439 \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 uutils coreutils (Rust Coreutils), \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u0423\u0442\u0438\u043b\u0438\u0442\u044b \u0438\u0437 \u0441\u043e\u0441\u0442\u0430\u0432\u0430 Rust Coreutils \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0437\u0430\u043c\u0435\u043d\u0438\u043b\u0438 \u0432\u0441\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043f\u0430\u043a\u0435\u0442\u0430 GNU Coreutils, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0443\u0442\u0438\u043b\u0438\u0442\u044b cp, mv \u0438 rm, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432 Ubuntu 26.04 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0438\u0441\u044c \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u0438\u0437 GNU Coreutils. \u041f\u0430\u043a\u0435\u0442 rust-coreutils […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183346","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\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\udd47Ubuntu 26.10 pre\u0161lo \u00faplne na Rust Coreutils | ProHoster","description":"Vo verzii bal\u00edka distrib\u00facie Ubuntu 26.10, ktorej vydanie je napl\u00e1novan\u00e9 na 15. okt\u00f3bra, do\u0161lo k \u00fapln\u00e9mu prechodu na n\u00e1stroje uutils coreutils (Rust Coreutils), nap\u00edsan\u00e9 v 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"