{"id":100477,"date":"2021-06-09T10:22:59","date_gmt":"2021-06-09T08:22:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06"},"modified":"2021-06-09T10:22:59","modified_gmt":"2021-06-09T08:22:59","slug":"reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"Lanzamiento del gestor de arranque GNU GRUB 2.06","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de dos a\u00f1os de desarrollo, se presenta la versi\u00f3n estable del cargador de arranque modular multiplataforma GNU GRUB 2.06 (GRand Unified Bootloader). GRUB admite una amplia gama de plataformas, incluidos PC comunes con BIOS, plataformas IEEE-1275 (hardware basado en PowerPC\/Sparc64), sistemas EFI, RISC-V, dispositivos basados en el procesador Loongson 2E compatible con MIPS, sistemas Itanium, ARM, ARM64 y ARCS (SGI), y dispositivos que utilizan el paquete libre CoreBoot.    <\/p>\n<p>Novedades principales:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido soporte para el mecanismo SBAT (UEFI Secure Boot Advanced Targeting), que resuelve problemas con la revocaci\u00f3n de certificados que autentican los cargadores para UEFI Secure Boot. SBAT implica la adici\u00f3n de nuevos metadatos que est\u00e1n firmados digitalmente y que pueden incluirse en listas de componentes permitidos o prohibidos para UEFI Secure Boot. Los metadatos especificados permiten manipular los n\u00fameros de versi\u00f3n de los componentes durante la revocaci\u00f3n sin necesidad de regenerar las claves para Secure Boot y sin generar nuevas firmas.\n<li class=\"l\"> Se ha a\u00f1adido soporte para el formato de cifrado de discos LUKS2, que se diferencia de LUKS1 por un sistema de gesti\u00f3n de claves simplificado, la capacidad de utilizar sectores de gran tama\u00f1o (4096 en lugar de 512, lo que reduce la carga durante la descifrado), la aplicaci\u00f3n de identificadores simb\u00f3licos para particiones y la capacidad de hacer copias de seguridad de metadatos con posibilidad de recuperaci\u00f3n autom\u00e1tica desde una copia en caso de que se detecte da\u00f1o.\n<li class=\"l\"> Se ha dejado de soportar los cortos huecos de MBR (\u00e1rea entre el MBR y el comienzo de la partici\u00f3n del disco, que GRUB utiliza para almacenar parte del cargador que no cabe en el sector MBR).\n<li class=\"l\"> Se ha a\u00f1adido soporte para m\u00f3dulos XSM (Xen Security Modules), que permiten definir restricciones y privilegios adicionales para el hipervisor Xen, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/vps\/\"   title=\"m\u00e1quinas virtuales\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">m\u00e1quinas virtuales<\/a> y los recursos asociados.\n<li class=\"l\"> Se ha implementado un mecanismo de bloqueo, similar a un conjunto de restricciones en el n\u00facleo de Linux. El bloqueo impide posibles caminos de elusi\u00f3n de UEFI Secure Boot, por ejemplo, proh\u00edbe el acceso a ciertas interfaces ACPI y registros MSR del CPU, limita el uso de DMA para dispositivos PCI, bloquea la importaci\u00f3n de c\u00f3digo ACPI desde variables EFI, y no se permiten manipulaciones de los puertos de entrada\/salida.\n<li class=\"l\"> De manera predeterminada, se ha desactivado la utilidad os-prober, que encuentra las particiones de arranque de otros sistemas operativos y las a\u00f1ade al men\u00fa de arranque.\n<li class=\"l\"> Se han retroportado parches preparados por varias distribuciones de Linux.\n<li class=\"l\"> Se han corregido las vulnerabilidades BootHole y BootHole2.\n<li class=\"l\"> Se ha implementado la capacidad de compilaci\u00f3n utilizando GCC 10 y Clang 10.    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55301\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u043e\u0433\u043e \u043c\u043d\u043e\u0433\u043e\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 GNU GRUB 2.06 (GRand Unified Bootloader). GRUB \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0448\u0438\u0440\u043e\u043a\u0438\u0439 \u0441\u043f\u0435\u043a\u0442\u0440 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u041f\u041a \u0441 BIOS, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b IEEE-1275 (\u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u0431\u0430\u0437\u0435 PowerPC\/Sparc64), EFI-\u0441\u0438\u0441\u0442\u0435\u043c\u044b, RISC-V, \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 MIPS-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 Loongson 2E, \u0441\u0438\u0441\u0442\u0435\u043c\u044b Itanium, ARM, ARM64 \u0438 ARCS (SGI), \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 CoreBoot. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 [&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-100477","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\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 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