{"id":89996,"date":"2020-07-28T01:42:24","date_gmt":"2020-07-27T23:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-xen-4-14"},"modified":"2020-07-28T01:42:24","modified_gmt":"2020-07-27T23:42:24","slug":"vypusk-gipervizora-xen-4-14","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gipervizora-xen-4-14","title":{"rendered":"Xen 4.14 hipervizor kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nyolc h\u00f3napos fejleszt\u00e9s ut\u00e1n <noindex><a rel=\"nofollow\" href=\"https:\/\/xenproject.org\/2020\/07\/24\/xen-project-hypervisor-version-4-14-brings-added-security-and-performance\/\">megjelent<\/a><\/noindex> az ingyenes hipervizor kiad\u00e1s\u00e1t <noindex><a rel=\"nofollow\" href=\"https:\/\/www.xenproject.org\/\">Xen 4.14<\/a><\/noindex>. A fejleszt\u00e9sen r\u00e9szt vett olyan v\u00e1llalatok, mint az Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei \u00e9s Intel. A Xen 4.14 \u00e1gon megjelen\u0151 friss\u00edt\u00e9sek kiad\u00e1sa 2022. janu\u00e1r 24-ig tart, a sebezhet\u0151s\u00e9gek jav\u00edt\u00e1sainak publik\u00e1l\u00e1sa pedig 2023. j\u00falius 24-ig.<\/p>\n<p>Kulcsok <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.xenproject.org\/wiki\/Xen_Project_4.14_Feature_List\">v\u00e1ltoz\u00e1sok<\/a><\/noindex> a Xen 4.14 ben: <\/p>\n<ul>\n<li class=\"l\"> \u00daj eszk\u00f6zmodellek t\u00e1mogat\u00e1sa ker\u00fclt bevezet\u00e9sre <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xenproject.org\/wiki\/Device_Model_Stub_Domains\">Linux stubdomain<\/a><\/noindex>, lehet\u0151v\u00e9 t\u00e9ve, hogy a v\u00e9grehajt\u00e1s egy k\u00fcl\u00f6n nem privilegiz\u00e1lt felhaszn\u00e1l\u00f3 alatt t\u00f6rt\u00e9njen, elv\u00e1lasztva az eszk\u00e9mul\u00e1ci\u00f3s komponenseket a Dom0-t\u00f3l. Kor\u00e1bban a stubdomain m\u00f3dban csak a &#171;qemu-traditional&#187; eszk\u00f6zmodelt lehetett haszn\u00e1lni, ami korl\u00e1tozta az emul\u00e1lt hardver spektrum\u00e1t. Az \u00faj modell <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xen.org\/wiki\/Linux_stub_domains\">Linux stubomains<\/a><\/noindex> a QUBES OS projekt keret\u00e9ben k\u00e9sz\u00fclt, \u00e9s t\u00e1mogatja a legfrissebb QEMU kiad\u00e1sokban el\u00e9rhet\u0151 emul\u00e1tor meghajt\u00f3k, valamint a QEMU \u00e1ltal biztos\u00edtott kieg\u00e9sz\u00edt\u0151 lehet\u0151s\u00e9gek haszn\u00e1lat\u00e1t a vend\u00e9grendszerekhez.\n<li class=\"l\"> Intel EPT-vel t\u00e1mogat\u00f3 rendszerek eset\u00e9ben k\u00f6nny\u0171s\u00faly\u00fa virtu\u00e1lis g\u00e9pek forkjainak l\u00e9trehoz\u00e1s\u00e1nak t\u00e1mogat\u00e1sa ker\u00fclt megval\u00f3s\u00edt\u00e1sra, gyors introspekci\u00f3 v\u00e9grehajt\u00e1s\u00e1ra, p\u00e9ld\u00e1ul k\u00e1rtev\u0151-anal\u00edzisre vagy fuzzing tesztel\u00e9sre. Az ilyen forkok k\u00f6z\u00f6s mem\u00f3ri\u00e1t haszn\u00e1lnak, \u00e9s nem t\u00f6rt\u00e9nik az eszk\u00f6zmodellek kl\u00f3noz\u00e1sa.\n<li class=\"l\"> A live-patch rendszerhez k\u00f6t\u0151dtek a hypervisor ford\u00edtott azonos\u00edt\u00f3k, \u00e9s figyelembev\u00e9telre ker\u00fclt a jav\u00edt\u00f3k alkalmaz\u00e1s\u00e1nak rendje a helytelen verzi\u00f3ra vagy nem megfelel\u0151 sorrendben t\u00f6rt\u00e9n\u0151 alkalmaz\u00e1s megel\u0151z\u00e9se \u00e9rdek\u00e9ben.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt a CET kiterjeszt\u00e9sek t\u00e1mogat\u00e1sa (Intel Control-flow Enforcement Technology), amely v\u00e9di a v\u00e9grehajtott exploitok ellen, amelyek visszafel\u00e9 orient\u00e1lt programoz\u00e1si (ROP, Return-Oriented Programming) technik\u00e1kat haszn\u00e1lnak.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt a CONFIG_PV32 be\u00e1ll\u00edt\u00e1s, amely letiltja a hypervisorban a 32 bites paravirtualiz\u00e1lt (PV) vend\u00e9g rendszerek t\u00e1mogat\u00e1s\u00e1t, mik\u00f6zben a 64 bitesek t\u00e1mogat\u00e1sa megmarad.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt a Hypervisor FS t\u00e1mogat\u00e1s, egy sysfs-st\u00edlus\u00fa pseudo-FS a hypervisor bels\u0151 adataihoz \u00e9s be\u00e1ll\u00edt\u00e1saihoz struktur\u00e1lt hozz\u00e1f\u00e9r\u00e9s biztos\u00edt\u00e1s\u00e1hoz, amely nem ig\u00e9nyel logok feldolgoz\u00e1s\u00e1t vagy hyperh\u00edv\u00e1sok \u00edr\u00e1s\u00e1t.\n<li class=\"l\"> Lehet\u0151v\u00e9 v\u00e1lt a Xen vend\u00e9g rendszerk\u00e9nt val\u00f3 ind\u00edt\u00e1sa a Hyper-V hypervisor alatt, amely a Microsoft Azure felh\u0151platformon haszn\u00e1latos. A Xen Hyper-V-n bel\u00fcli futtat\u00e1sa lehet\u0151v\u00e9 teszi a megszokott virtualiz\u00e1ci\u00f3s stack haszn\u00e1lat\u00e1t az Azure felh\u0151 k\u00f6rnyezetekben, \u00e9s lehet\u0151s\u00e9get ad a virtu\u00e1lis g\u00e9pek mozgat\u00e1s\u00e1ra k\u00fcl\u00f6nb\u00f6z\u0151 felh\u0151rendszerek k\u00f6z\u00f6tt.\n<li class=\"l\"> Hozz\u00e1adva a lehet\u0151s\u00e9g egy v\u00e9letlenszer\u0171 vend\u00e9g rendszer azonos\u00edt\u00f3 gener\u00e1l\u00e1s\u00e1ra (kor\u00e1bban az azonos\u00edt\u00f3k sorozatosan gener\u00e1l\u00f3dtak). Az azonos\u00edt\u00f3k mostant\u00f3l meg\u0151rizhet\u0151k a VM \u00e1llapot\u00e1nak ment\u00e9si, helyre\u00e1ll\u00edt\u00e1si \u00e9s migr\u00e1ci\u00f3s m\u0171veletei k\u00f6z\u00f6tt.\n<li class=\"l\"> Automatikus binding gener\u00e1l\u00e1s a Go nyelvhez a libxl strukt\u00far\u00e1k alapj\u00e1n.\n<li class=\"l\"> Windows 7, 8.x \u00e9s 10 rendszerekhez hozz\u00e1adva a KDD t\u00e1mogat\u00e1s, amely egy eszk\u00f6z a WinDbg (Windows Debugger) hibakeres\u0151vel val\u00f3 interakci\u00f3hoz, lehet\u0151v\u00e9 t\u00e9ve a Windows k\u00f6rnyezetek hibakeres\u00e9s\u00e9t an\u00e9lk\u00fcl, hogy a vend\u00e9g OS-ben enged\u00e9lyezni kellene a hibakeres\u00e9st.\n<li class=\"l\"> Hozz\u00e1adva a Raspberry Pi 4 minden v\u00e1ltozata, amely 4GB \u00e9s 8GB RAM-mal ker\u00fcl forgalomba.\n<li class=\"l\"> Hozz\u00e1adva az AMD EPYC processzorok t\u00e1mogat\u00e1sa a &#171;Milan&#187; k\u00f3dn\u00e9vvel.\n<li class=\"l\"> N\u00f6velt teljes\u00edtm\u00e9ny a be\u00e1gyazott virtualiz\u00e1ci\u00f3 eset\u00e9n, ahol a Xen az Xen vagy Viridian alap\u00fa vend\u00e9g rendszerekben fut.\n<li class=\"l\"> Az emul\u00e1ci\u00f3s m\u00f3dban megval\u00f3s\u00edtott\u00e1k az AVX512_BF16 utas\u00edt\u00e1sok t\u00e1mogat\u00e1s\u00e1t.\n<li class=\"l\"> A hipervizor \u00f6ssze\u00e1ll\u00edt\u00e1sa \u00e1tt\u00e9rt a Kbuild haszn\u00e1lat\u00e1ra.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53440\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.14. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei \u0438 Intel. \u0412\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.14 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 24 \u044f\u043d\u0432\u0430\u0440\u044f 2022 \u0433\u043e\u0434\u0430, \u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0434\u043e 24 \u0438\u044e\u043b\u044f 2023 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen [&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-89996","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 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gipervizora-xen-4-14\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"hu_HU\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.14 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gipervizora-xen-4-14\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-07-27T23:42:24+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-07-27T23:42:24+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Xen 4.14 hipervizor kiad\u00e1s | ProHoster","description":"Nyolc h\u00f3napos fejleszt\u00e9s ut\u00e1n megjelent a kiad\u00e1s.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gipervizora-xen-4-14","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.14 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gipervizora-xen-4-14","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-07-27T23:42:24+00:00","article:modified_time":"2020-07-27T23:42:24+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"89996","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 13:00:30","updated":"2022-09-28 16:50:01","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/89996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=89996"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/89996\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=89996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=89996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=89996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}