{"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\/hu\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"A GNU GRUB 2.06 ind\u00edt\u00f3kezel\u0151 kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K\u00e9t \u00e9v fejleszt\u00e9s ut\u00e1n megjelent a stabil kiad\u00e1sa a modul\u00e1ris, t\u00f6bbplatformos ind\u00edt\u00f3kezel\u0151nek, a GNU GRUB 2.06-nak (GRand Unified Bootloader). A GRUB sz\u00e9les platformv\u00e1laszt\u00e9kot t\u00e1mogat, bele\u00e9rtve a hagyom\u00e1nyos BIOS-szal rendelkez\u0151 sz\u00e1m\u00edt\u00f3g\u00e9peket, az IEEE-1275 platformokat (PowerPC\/Sparc64 alap\u00fa hardver), EFI rendszereket, RISC-V-t, MIPS kompatibilis Loongson 2E processzor alap\u00fa eszk\u00f6z\u00f6ket, Itanium rendszereket, ARM, ARM64, \u00e9s ARCS (SGI) eszk\u00f6z\u00f6ket, tov\u00e1bb\u00e1 a CoreBoot szabadcsomag haszn\u00e1lat\u00e1t.    <\/p>\n<p>F\u0151bb \u00faj\u00edt\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva a SBAT mechanizmus t\u00e1mogat\u00e1sa (UEFI Secure Boot Advanced Targeting), amely megoldja az UEFI Secure Boot sz\u00e1m\u00e1ra al\u00e1\u00edrt bet\u00f6lt\u0151k tan\u00fas\u00edtv\u00e1nyainak visszavon\u00e1s\u00e1val kapcsolatos probl\u00e9m\u00e1kat. A SBAT \u00faj metaadatok hozz\u00e1ad\u00e1s\u00e1t jelenti, amelyeket digit\u00e1lis al\u00e1\u00edr\u00e1s hiteles\u00edt, \u00e9s amelyek tov\u00e1bbi enged\u00e9lyezett vagy letiltott komponenslist\u00e1kba is felvehet\u0151k az UEFI Secure Boot sz\u00e1m\u00e1ra. A megadott metaadatok lehet\u0151v\u00e9 teszik a verzi\u00f3sz\u00e1mok manipul\u00e1l\u00e1s\u00e1t a komponensek visszavon\u00e1sakor, an\u00e9lk\u00fcl hogy \u00fajra kellene gener\u00e1lni a Secure Boot kulcsokat vagy \u00faj al\u00e1\u00edr\u00e1sokat kellene k\u00e9sz\u00edteni.\n<li class=\"l\"> Hozz\u00e1adva a LUKS2 lemeztitkos\u00edt\u00e1si form\u00e1tum t\u00e1mogat\u00e1sa, amely a LUKS1-t\u0151l elt\u00e9r\u0151, egyszer\u0171s\u00edtett kulcskezel\u0151 rendszerrel, a nagym\u00e9ret\u0171 szektorok (4096 helyett 512, cs\u00f6kkentve a dek\u00f3dol\u00e1s terheit) haszn\u00e1lat\u00e1val, szimbolikus part\u00edci\u00f3azonos\u00edt\u00f3k alkalmaz\u00e1s\u00e1val, valamint metadat\u00e1k tartal\u00e9k\u00e1nak kezel\u00e9s\u00e9vel rendelkezik, lehet\u0151v\u00e9 t\u00e9ve azok automatikus helyre\u00e1ll\u00edt\u00e1s\u00e1t m\u00e1solatr\u00f3l a s\u00e9r\u00fcl\u00e9sek felfedez\u00e9se eset\u00e9n.\n<li class=\"l\"> Megsz\u00fcntett\u00fck a r\u00f6vid MBR gap (az MBR \u00e9s a lemezpart\u00edci\u00f3 kezdete k\u00f6z\u00f6tti ter\u00fclet; a GRUB ezt a bet\u00f6lt\u0151 egy r\u00e9sz\u00e9nek t\u00e1rol\u00e1s\u00e1ra haszn\u00e1lja, amely nem f\u00e9r el az MBR szektor\u00e1ban) t\u00e1mogat\u00e1s\u00e1t.\n<li class=\"l\"> Hozz\u00e1adva az XSM (Xen Security Modules) modulok t\u00e1mogat\u00e1sa, amelyek lehet\u0151v\u00e9 teszik a Xen hypervisor sz\u00e1m\u00e1ra tov\u00e1bbi korl\u00e1toz\u00e1sok \u00e9s hat\u00e1sk\u00f6r\u00f6k meghat\u00e1roz\u00e1s\u00e1t. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/vps\/\"   title=\"virtu\u00e1lis g\u00e9pekhez\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">virtu\u00e1lis g\u00e9pekhez<\/a> \u00e9s a hozz\u00e1juk kapcsol\u00f3d\u00f3 er\u0151forr\u00e1sokat.\n<li class=\"l\"> A lockdown mechanizmus megval\u00f3s\u00edtva, amely hasonl\u00f3 a Linux kernelben tal\u00e1lhat\u00f3 korl\u00e1toz\u00e1sokhoz. A lockdown blokkolja az UEFI Secure Boot megker\u00fcl\u00e9s\u00e9nek lehet\u0151s\u00e9geit, p\u00e9ld\u00e1ul megtiltja bizonyos ACPI interf\u00e9szek \u00e9s CPU MSR regiszterek el\u00e9r\u00e9s\u00e9t, korl\u00e1tozza a DMA haszn\u00e1lat\u00e1t PCI eszk\u00f6z\u00f6k sz\u00e1m\u00e1ra, blokkolja az ACPI k\u00f3d import\u00e1l\u00e1s\u00e1t EFI v\u00e1ltoz\u00f3kb\u00f3l, \u00e9s megakad\u00e1lyozza a bemeneti\/kimeneti portok manipul\u00e1l\u00e1s\u00e1t.\n<li class=\"l\"> Alap\u00e9rtelmez\u00e9s szerint letiltva az os-prober seg\u00e9dprogram, amely m\u00e1s oper\u00e1ci\u00f3s rendszerek ind\u00edt\u00f3part\u00edci\u00f3it tal\u00e1lja meg, \u00e9s hozz\u00e1adja azokat az ind\u00edt\u00f3m\u00f3dhoz.\n<li class=\"l\"> Linux k\u00fcl\u00f6nb\u00f6z\u0151 disztrib\u00faci\u00f3i \u00e1ltal el\u0151k\u00e9sz\u00edtett jav\u00edt\u00e1sok vissza\u00e9p\u00edtve.\n<li class=\"l\"> Jav\u00edtott\u00e1k a BootHole \u00e9s BootHole2 sebezhet\u0151s\u00e9geit.\n<li class=\"l\"> Lehet\u0151s\u00e9g ny\u00edlt a GCC 10 \u00e9s Clang 10 haszn\u00e1lat\u00e1val t\u00f6rt\u00e9n\u0151 \u00e9p\u00edt\u00e9sre.    <\/ul>\n<p>Forr\u00e1s: <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 5.0.3 - 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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