{"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\/fr\/blog\/news\/proekt-freebsd-perevyol-port-arm64-v-chislo-pervichnyh-i-ispravil-tri-uyazvimosti","title":{"rendered":"Le projet FreeBSD a class\u00e9 le port ARM64 parmi les plateformes principales et a corrig\u00e9 trois vuln\u00e9rabilit\u00e9s.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Les d\u00e9veloppeurs de FreeBSD ont d\u00e9cid\u00e9, dans la nouvelle version de FreeBSD 13, dont la sortie est pr\u00e9vue le 13 avril, d'attribuer au port pour l'architecture ARM64 (AArch64) le statut de plateforme principale (Tier 1). Auparavant, un tel niveau de support \u00e9tait accord\u00e9 aux syst\u00e8mes 64 bits x86 (jusqu'\u00e0 r\u00e9cemment, l'architecture i386 \u00e9tait \u00e9galement principale, mais en janvier, elle a \u00e9t\u00e9 r\u00e9trograd\u00e9e au niveau de support secondaire).    <\/p>\n<p>Le premier niveau de support implique la cr\u00e9ation de versions d'installation, de mises \u00e0 jour binaires et de paquets pr\u00eats \u00e0 l'emploi, ainsi que des garanties pour r\u00e9soudre des probl\u00e8mes sp\u00e9cifiques et maintenir la stabilit\u00e9 de l'ABI pour l'environnement utilisateur et le noyau (\u00e0 l'exception de certains sous-syst\u00e8mes). Le premier niveau est soutenu par les \u00e9quipes responsables de la r\u00e9solution des vuln\u00e9rabilit\u00e9s, de la pr\u00e9paration des versions et de la maintenance des ports.        <\/p>\n<p>De plus, il convient de noter la correction de trois vuln\u00e9rabilit\u00e9s dans FreeBSD :   <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-29626 \u2014 un processus local non privil\u00e9gi\u00e9 peut lire le contenu de la m\u00e9moire du noyau ou d'autres processus en manipulant le mappage des pages m\u00e9moire. Cette vuln\u00e9rabilit\u00e9 est caus\u00e9e par une erreur dans le sous-syst\u00e8me de m\u00e9moire virtuelle, qui g\u00e8re le partage de m\u00e9moire entre les processus, ce qui entra\u00eene le maintien de la liaison de la m\u00e9moire \u00e0 un processus apr\u00e8s la lib\u00e9ration de la page m\u00e9moire associ\u00e9e.\n<li class=\"l\"> CVE-2021-29627 \u2014 un utilisateur local non privil\u00e9gi\u00e9 peut \u00e9lever ses privil\u00e8ges dans le syst\u00e8me ou lire le contenu de la m\u00e9moire du noyau. Le probl\u00e8me est caus\u00e9 par un acc\u00e8s \u00e0 la m\u00e9moire apr\u00e8s sa lib\u00e9ration (use-after-free) dans la mise en \u0153uvre du m\u00e9canisme de filtre d'acceptation.\n<li class=\"l\"> CVE-2020-25584 \u2014 possibilit\u00e9 de contourner le m\u00e9canisme d'isolation Jail. Un utilisateur dans un environnement isol\u00e9, ayant le droit de monter des partitions (allow.mount), peut parvenir \u00e0 modifier le r\u00e9pertoire racine \u00e0 une position en dehors de l'arborescence Jail et obtenir un acc\u00e8s complet en lecture et \u00e9criture \u00e0 tous les fichiers syst\u00e8me.              <\/ul>\n<p>Source : <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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