{"id":183346,"date":"2026-09-14T10:53:47","date_gmt":"2026-09-14T08:53:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/ubuntu-26-10-polnostyu-perevedyon-na-rust-coreutils"},"modified":"2026-09-14T10:53:51","modified_gmt":"2026-09-14T08:53:51","slug":"ubuntu-26-10-fully-switches-to-rust-coreutils","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/ubuntu-26-10-fully-switches-to-rust-coreutils","title":{"rendered":"Az Ubuntu 26.10 teljes m\u00e9rt\u00e9kben \u00e1tt\u00e9rt a Rust Coreutils-ra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az Ubuntu 26.10 disztrib\u00faci\u00f3 csomagj\u00e1t, amelynek megjelen\u00e9se okt\u00f3ber 15-re van \u00fctemezve, teljesen \u00e1tt\u00e9rtek az uutils coreutils (Rust Coreutils) eszk\u00f6zk\u00e9szletre, amely Rust nyelven \u00edr\u00f3dott. A Rust Coreutils eszk\u00f6zei teljes eg\u00e9sz\u00e9ben helyettes\u00edtett\u00e9k a GNU Coreutils csomag \u00f6sszes komponens\u00e9t, bele\u00e9rtve a cp, mv \u00e9s rm eszk\u00f6z\u00f6ket, amelyek az Ubuntu 26.04 verzi\u00f3j\u00e1ban a GNU Coreutils v\u00e1ltozatban voltak el\u00e9rhet\u0151k. <\/p>\n

A rust-coreutils csomag eredetileg alap\u00e9rtelmez\u00e9s szerint szerepelt az Ubuntu 25.10 kiad\u00e1sban, de az Ubuntu 26.04 LTS \u00e1gon vissza\u00e1ll\u00edtott\u00e1k a cp, mv \u00e9s rm seg\u00e9dprogramokat a GNU Coreutils k\u00e9szletb\u0151l. A cp, mv \u00e9s rm v\u00e1ltozatait a Rust Coreutils k\u00f3dalap audit\u00e1l\u00e1sa sor\u00e1n felmer\u00fclt biztons\u00e1gi probl\u00e9m\u00e1k miatt hozt\u00e1k vissza. A Rust Coreutils-ben a s\u00e9r\u00fcl\u00e9kenys\u00e9gek nagy r\u00e9sze egy verseny\u00e1llapot miatt k\u00f6vetkezik be, amely lehet\u0151v\u00e9 teszi az adatok megv\u00e1ltoztat\u00e1s\u00e1t a Valid\u00e1l\u00e1s befejez\u00e9se \u00e9s a m\u0171velet v\u00e9grehajt\u00e1sa k\u00f6z\u00f6tti id\u0151szakban (TOCTOU \u2014 Ellen\u0151rz\u00e9s ideje \u00e9s Haszn\u00e1lat ideje). Egyebek k\u00f6z\u00f6tt az ilyen t\u00edpus\u00fa s\u00e9r\u00fcl\u00e9kenys\u00e9gek lehet\u0151v\u00e9 teszik, hogy a f\u00e1jlt szimbolikus hivatkoz\u00e1sra cser\u00e9lj\u00e9k az ellen\u0151rz\u00e9s befejez\u00e9se \u00e9s a m\u0171velet v\u00e9grehajt\u00e1s\u00e1nak megkezd\u00e9se k\u00f6z\u00f6tti id\u0151szakban. <\/p>\n

A cp, mv \u00e9s rm eszk\u00f6z\u00f6k haszn\u00e1lat\u00e1nak kontextus\u00e1ban a root jogosults\u00e1gokkal fut\u00f3 rendszerforgat\u00f3kban a szimbolikus hivatkoz\u00e1s behelyettes\u00edt\u00e9se lehet\u0151s\u00e9get ad arra, hogy tetsz\u0151leges f\u00e1jlokat m\u00e1soljunk, \u00edrjunk fel\u00fcl vagy t\u00f6r\u00f6lj\u00fcnk. P\u00e9ld\u00e1ul, amikor rekurz\u00edvan t\u00f6rlik a k\u00f6nyvt\u00e1rakat, az rm eszk\u00f6z el\u0151sz\u00f6r ellen\u0151rzi az \u00f6sszes k\u00f6nyvt\u00e1rat, majd azok visszafel\u00e9 t\u00f6rl\u00e9s\u00e9t v\u00e9gzi, rmdir() f\u00fcggv\u00e9ny h\u00edv\u00e1s\u00e1val. Ha a sz\u00fcl\u0151 k\u00f6nyvt\u00e1rat egy szimbolikus hivatkoz\u00e1sra cser\u00e9lj\u00fck az ellen\u0151rz\u00e9s ut\u00e1n, de a benne l\u00e9v\u0151 almapp\u00e1k ellen\u0151rz\u00e9se el\u0151tt, akkor lehet\u0151v\u00e9 v\u00e1lik b\u00e1rmely k\u00f6nyvt\u00e1r t\u00f6rl\u00e9se a rendszerben a cron szkript napi futtat\u00e1s\u00e1n kereszt\u00fcl, amely root jogosults\u00e1gokkal rekurz\u00edvan t\u00f6rli a \/var\/crash k\u00f6nyvt\u00e1r tartalm\u00e1t, amely minden felhaszn\u00e1l\u00f3 sz\u00e1m\u00e1ra \u00edrhat\u00f3 a rendszerben.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 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