{"id":104243,"date":"2022-06-05T15:36:39","date_gmt":"2022-06-05T13:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-coreboot-4-17"},"modified":"2022-06-05T15:36:39","modified_gmt":"2022-06-05T13:36:39","slug":"vypusk-coreboot-4-17","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-coreboot-4-17","title":{"rendered":"Izdaja Coreboot 4.17","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je izdanak projekta CoreBoot 4.17, unutar kojeg se razvija slobodna alternativa proprietarnim firmware-ima i BIOS-u. Kod projekta se distribuira pod GPLv2 licencom. U stvaranju nove verzije sudjelovalo je 150 razvija\u010da koji su pripremili vi\u0161e od 1300 izmjena.       <\/p>\n<p>Glavne spremembe:   <\/p>\n<ul>\n<li class=\"l\"> Ispravljena je ranjivost (CVE-2022-29264) koja se pojavljuje u izdanjima CoreBoot od 4.13 do 4.16, a koja omogu\u0107uje izvr\u0161avanje koda na razini SMM (System Management Mode) na sustavima s AP (Application Processor), prioritetnijem (Ring -2) od hipervizorskog moda i nultog za\u0161titnog prstena, s neograni\u010denim pristupom cijeloj memoriji. Problem je uzrokovan neispravnim pozivanjem SMI obradnika u modulu smm_module_loader.\n<li class=\"l\"> Dodana je podr\u0161ka za 12 mati\u010dnih plo\u010da, od kojih se 5 koristi na ure\u0111ajima s Chrome OS ili na <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/dts-gdansk\/\"   title=\"serverima\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4540\">serverima<\/a> Googleu. Me\u0111u plo\u010dama koje nisu povezane sa Google-om:\n<ul>\n<li class=\"l\"> Clevo L140MU \/ L141MU \/ L142MU\n<li class=\"l\"> Dell Precision T1650\n<li class=\"l\">  HP Z220 CMT Workstation\n<li class=\"l\">  Star Labs LabTop Mk III (i7-8550u), LabTop Mk IV (i3-10110U, i7-10710U), Lite Mk III (N5000) i Lite Mk IV (N5030).  <\/ul>\n<li class=\"l\"> Prekinuta je podr\u0161ka za mati\u010dne plo\u010de Google Deltan i Deltaur.\n<li class=\"l\"> Dodana je nova payload coreDOOM koja omogu\u0107ava pokretanje igre DOOM iz Coreboot-a. U projektu je kori\u0161ten kod doomgeneric, portiran na libpayload. Za ispis se koristi linearni frame buffer Coreboot-a, a WAD datoteke s igra\u010dkim resursima se u\u010ditavaju iz CBFS-a.\n<li class=\"l\"> A\u017eurirane su payload komponente SeaBIOS 1.16.0 i iPXE 2022.1.\n<li class=\"l\"> Dodan je re\u017eim SeaGRUB (GRUB2 preko SeaBIOS-a) koji omogu\u0107ava kori\u0161tenje SeaBIOS callback poziva u GRUB2, na primjer, za pristup opremi koja iz payload GRUB2 nije dostupna.\n<li class=\"l\"> Dodana je za\u0161tita od SinkHole napada koja omogu\u0107ava izvr\u0161avanje koda na razini SMM (System Management Mode).\n<li class=\"l\"> Implementirana je ugra\u0111ena mogu\u0107nost generiranja stati\u010dkih tablica stranica memorije iz asemberskih datoteka, bez potrebe za pozivanjem vanjskih alata.\n<li class=\"l\"> Dozvoljeno je zapisivanje informacija za ispravljanje gre\u0161aka u CBMEMC konzolu iz SMI obradnika prilikom kori\u0161tenja DEBUG_SMI.\n<li class=\"l\"> Promijenjen je sustav obradnika inicijalizacije CBMEM, umjesto obradnika povezanih s fazama *_CBMEM_INIT_HOOK predlo\u017eena su dva obradnika CBMEM_CREATION_HOOK (koristi se u inicijalnoj fazi, koja stvara cbmem) i CBMEM_READY_HOOK (koristi se u svim fazama kada je cbmem ve\u0107 stvoren).\n<li class=\"l\"> Dodana je podr\u0161ka za PSB (Platform Secure Boot), aktivirana procesorom PSP (Platform Security Processor) za verifikaciju cjelovitosti BIOS-a putem digitalnog potpisa.\n<li class=\"l\"> Dodana je vlastita implementacija obradnika podataka za ispravljanje gre\u0161aka, koji se prenose iz FSP-a (FSP Debug Handler).\n<li class=\"l\"> Dodane so proizvajalcu specifi\u010dne TIS funkcije (TPM Interface Specification) za direktno branje in pisanje iz registrov TPM (Trusted Platform Module) \u2014 tis_vendor_read() in tis_vendor_write().\n<li class=\"l\"> Dodana podr\u0161ka za hvatanje dereferenciranja nul-pozicija putem debagerskih registara.\n<li class=\"l\"> Implementirano prepoznavanje i2c ure\u0111aja, koje olak\u0161ava rad sa plo\u010dama opremljenim touchpad-ima ili ekranima osetljivim na dodir razli\u010ditih proizvo\u0111a\u010da.\n<li class=\"l\"> Dodana mogu\u0107nost \u010duvanja podataka o vremenu u formatu pogodnom za generisanje grafika FlameGraph, koji jasno prikazuje koliko vremena se tro\u0161i na razli\u010dite faze pokretanja.\n<li class=\"l\"> V orodje cbmem je dodana mo\u017enost za dodajanje v tabelo cbmem \u00abtimestamp\u00bb \u010dasa iz uporabni\u0161kega prostora, kar omogo\u010da odra\u017eanje dogodkov v cbmem v fazah, ki se izvajajo po CoreBoot.      <\/ul>\n<p>Dodatno, mo\u017ee se primetiti objava fonda OSFF (Open-Source Firmware Foundation) otvorenog pisma kompaniji Intel, u kojem se predla\u017ee u\u010diniti suportne pakete firmware-a (FSP, Firmware Support Package) modularnijim i zapo\u010deti objavljivanje dokumentacije vezane za inicijalizaciju Intel SoC-a. Nedostatak FSP koda znatno ote\u017eava kreiranje otvorenih firmware-a i ometa napredak projekata Coreboot, U-Boot i LinuxBoot na Intel opremi. Ranije je sli\u010dna inicijativa bila uspe\u0161na i kompanija Intel je otvorila kod tra\u017eenih firmware-a za PSE (Programmable Services Engine).<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57303\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 CoreBoot 4.17, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0430\u044f \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u0430 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u043c \u0438 BIOS. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0412 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u0438\u043d\u044f\u043b\u043e \u0443\u0447\u0430\u0441\u0442\u0438\u0435 150 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 1300 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0423\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-29264), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 CoreBoot \u0441 4.13 \u043f\u043e 4.16 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 AP (Application Processor) [&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-104243","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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