{"id":99696,"date":"2021-04-10T10:23:07","date_gmt":"2021-04-10T08:23:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-freebsd-perevyol-port-arm64-v-chislo-pervichnyh-i-ispravil-tri-uyazvimosti"},"modified":"2021-04-10T10:23:07","modified_gmt":"2021-04-10T08:23:07","slug":"proekt-freebsd-perevyol-port-arm64-v-chislo-pervichnyh-i-ispravil-tri-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/proekt-freebsd-perevyol-port-arm64-v-chislo-pervichnyh-i-ispravil-tri-uyazvimosti","title":{"rendered":"Il progetto FreeBSD ha elevato il porting ARM64 a piattaforma primaria e ha corretto tre vulnerabilit\u00e0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Gli sviluppatori di FreeBSD hanno deciso di assegnare al porto per l'architettura ARM64 (AArch64) lo status di piattaforma primaria (Tier 1) nella nuova serie FreeBSD 13, il cui rilascio \u00e8 previsto per il 13 aprile. In precedenza, un livello di supporto simile era fornito per i sistemi x86 a 64 bit (fino a poco tempo fa, l'architettura i386 era primaria, ma a gennaio \u00e8 stata retrocessa al secondo livello di supporto).    <\/p>\n<p>Il primo livello di supporto implica la creazione di build di installazione, aggiornamenti binari e pacchetti pronti all'uso, oltre alla garanzia di risolvere problemi specifici e mantenere invariato l'ABI per l'ambiente utente e il kernel (ad eccezione di alcuni sottosistemi). Il primo livello \u00e8 coperto da squadre responsabili della risoluzione delle vulnerabilit\u00e0, della preparazione delle versioni e della gestione dei port.        <\/p>\n<p>In aggiunta, si possono notare la risoluzione di tre vulnerabilit\u00e0 in FreeBSD:   <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-29626 \u2014 un processo locale non privilegiato pu\u00f2 leggere il contenuto della memoria del kernel o di altri processi attraverso la manipolazione della mappatura della memoria. La vulnerabilit\u00e0 \u00e8 causata da un errore nel sottomodulo della memoria virtuale, che gestisce la condivisione della memoria tra i processi, il quale portava a mantenere il legame della memoria con un processo anche dopo il rilascio della pagina di memoria associata.\n<li class=\"l\"> CVE-2021-29627 \u2014 un utente locale non privilegiato pu\u00f2 elevare le proprie autorizzazioni nel sistema o leggere il contenuto della memoria del kernel. Il problema \u00e8 causato da un accesso alla memoria dopo che \u00e8 stata rilasciata (use-after-free) nell'implementazione del meccanismo di accept filter.\n<li class=\"l\"> CVE-2020-25584 \u2014 possibilit\u00e0 di eludere il meccanismo di isolamento Jail. Un utente all'interno di un ambiente isolato, avente il diritto di montare partizioni (allow.mount), pu\u00f2 ottenere la modifica della directory radice a una posizione al di fuori della gerarchia Jail e ottenere pieno accesso in lettura e scrittura a tutti i file di sistema.              <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54938\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 FreeBSD \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0432 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 FreeBSD 13, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f 13 \u0430\u043f\u0440\u0435\u043b\u044f, \u043f\u0440\u0438\u0441\u0432\u043e\u0438\u0442\u044c \u043f\u043e\u0440\u0442\u0443 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM64 (AArch64) \u0441\u0442\u0430\u0442\u0443\u0441 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b (Tier 1). \u0420\u0430\u043d\u0435\u0435 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0441\u044f \u0434\u043b\u044f 64-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c x86 (\u0434\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0439 \u0431\u044b\u043b\u0430 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430 i386, \u043d\u043e \u0432 \u044f\u043d\u0432\u0430\u0440\u0435 \u043e\u043d\u0430 \u0431\u044b\u043b\u0430 \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u0430 \u043d\u0430 \u0432\u0442\u043e\u0440\u043e\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438). \u041f\u0435\u0440\u0432\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 [&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-99696","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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