{"id":34126,"date":"2019-10-31T21:56:32","date_gmt":"2019-10-31T18:56:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/amd-nakanune-zapuska-zen-2-zayavila-o-bezopasnosti-i-neuyazvimosti-svoih-tsp-k-novym-atakam\/"},"modified":"2019-10-31T21:56:32","modified_gmt":"2019-10-31T18:56:32","slug":"amd-nakanune-zapuska-zen-2-zayavila-o-bezopasnosti-i-neuyazvimosti-svoih-tsp-k-novym-atakam","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/amd-nakanune-zapuska-zen-2-zayavila-o-bezopasnosti-i-neuyazvimosti-svoih-tsp-k-novym-atakam","title":{"rendered":"Az AMD a Zen 2 indul\u00e1s\u00e1t megel\u0151z\u0151en bejelentette, hogy processzorai biztons\u00e1gosak \u00e9s v\u00e9dettek az \u00faj t\u00e1mad\u00e1sokkal szemben","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

T\u00f6bb mint egy \u00e9ve, hogy felfedezt\u00e9k a Spectre \u00e9s Meltdown sebezhet\u0151s\u00e9geket, a processzorpiac a spekulat\u00edv sz\u00e1m\u00edt\u00e1sokkal kapcsolatos \u00fajabb \u00e9s \u00fajabb sebezhet\u0151s\u00e9gek felfedez\u00e9se miatt z\u0171rzavarban van. A legink\u00e1bb \u00e9rintett bele\u00e9rtve<\/a><\/noindex> legutols\u00f3<\/a><\/noindex> ZombieLoad<\/a><\/noindex>, az Intel chipjei. Term\u00e9szetesen az AMD nem habozott kihaszn\u00e1lni ezt a helyzetet, hangs\u00falyozva a CPU-jaink biztons\u00e1g\u00e1t.<\/p>\n

\"Az<\/p>\n

Ezen oldal\u00e1n<\/noindex>, a Spectre-szer\u0171 sebezhet\u0151s\u00e9gekkel foglalkozva a c\u00e9g b\u00fcszk\u00e9n nyilatkozta: «Mi az AMD-n\u00e9l a term\u00e9keink \u00e9s szolg\u00e1ltat\u00e1saink fejleszt\u00e9sekor figyelembe vessz\u00fck a biztons\u00e1gi k\u00f6vetelm\u00e9nyeket. A bels\u0151 elemz\u00e9s\u00fcnk \u00e9s a biztons\u00e1gi kutat\u00f3kkal folytatott megbesz\u00e9l\u00e9sek alapj\u00e1n \u00fagy v\u00e9lj\u00fck, hogy term\u00e9keink nem \u00e9rz\u00e9kenyek a t\u00e1mad\u00e1sokra. Fallout, RIDL<\/a><\/noindex> vagy ZombieLoad<\/a><\/noindex> mivel architekt\u00far\u00e1nkban hardveres v\u00e9delmi ellen\u0151rz\u00e9sek tal\u00e1lhat\u00f3ak. Az AMD term\u00e9keken nem tudtuk reproduk\u00e1lni ezeket a sebezhet\u0151s\u00e9geket, \u00e9s nincsenek adataink arr\u00f3l, hogy b\u00e1rki m\u00e1snak ez siker\u00fclt volna». A h\u00edrek szerint az AMD CPU-k ellen\u00e1llnak egy \u00fajabb t\u00e1mad\u00e1snak. MDS<\/a><\/noindex> \u2014 Store-to-Leak Forwarding<\/a><\/noindex>.<\/p>\n

Az \u00fajabb sebezhet\u0151s\u00e9gek felfedez\u00e9se \u00e9s a gy\u00e1rt\u00f3k sz\u00fcks\u00e9gess\u00e9ge, hogy megfelel\u0151 jav\u00edt\u00e1sokat vezessenek be, miatt az AMD processzorai teljes\u00edtm\u00e9nyben el\u0151ny\u00f6sebbek lehetnek a versenyt\u00e1rsaikhoz k\u00e9pest a nemr\u00e9giben k\u00e9sz\u00fclt f\u00fcggetlen TechRepublic<\/a><\/noindex>, a Phoronix \u00e1ltal v\u00e9gzett vizsg\u00e1lat alapj\u00e1n a spekulat\u00edv sz\u00e1m\u00edt\u00e1ssal \u00f6sszef\u00fcgg\u0151 CPU-sebezhet\u0151s\u00e9gekre kifejlesztett \u00f6sszes jav\u00edt\u00e1s alkalmaz\u00e1sa az Intel CPU-k teljes\u00edtm\u00e9ny\u00e9nek \u00e1tlagosan 16%-os cs\u00f6kken\u00e9s\u00e9hez vezet (Hyper-Threading kikapcsol\u00e1sakor \u2013 ak\u00e1r 25%-os cs\u00f6kken\u00e9s). Ezzel szemben az AMD Zen+ processzorok eset\u00e9n ugyanezekkel a k\u00f6r\u00fclm\u00e9nyekkel a teljes\u00edtm\u00e9ny cs\u00f6kken\u00e9se mind\u00f6ssze 3%.<\/p>\n

<\/center>
\n\"Az<\/p>\n

R\u00e1ad\u00e1sul: az Apple \u00e9s a Google azt javasolj\u00e1k,<\/a><\/noindex> az Intel felhaszn\u00e1l\u00f3inak pedig teljes m\u00e9rt\u00e9kben le kell tiltaniuk a Hyper-Threadinget, ami a teljes\u00edtm\u00e9nyt feladatokt\u00f3l f\u00fcgg\u0151en ak\u00e1r 40\u201350%-kal is cs\u00f6kkentheti. Maga az Intel nem javasolj\u00e1k ezt<\/a><\/noindex> a legt\u00f6bb esetben, de a probl\u00e9ma k\u00fcl\u00f6n\u00f6sen kritikus lehet munka\u00e1llom\u00e1sok, szerverek \u00e9s m\u00e1s teljes\u00edtm\u00e9ny- \u00e9s biztons\u00e1gig\u00e9nyes ter\u00fcletek eset\u00e9ben. Az AMD processzorok eset\u00e9ben a hasonl\u00f3 Simultaneous Multi-Threading technol\u00f3gia kikapcsol\u00e1sa nem sz\u00fcks\u00e9ges. R\u00e1ad\u00e1sul a sebezhet\u0151s\u00e9gekkel kapcsolatos h\u00edrek \u00e1radata, bele\u00e9rtve az Intel inform\u00e1ci\u00f3k eltitkol\u00e1si k\u00eds\u00e9rleteit a nyilv\u00e1noss\u00e1g el\u0151l<\/a><\/noindex> , nem befoly\u00e1solhatja az Intel h\u00edrnev\u00e9t.<\/p>\n

Ezek a h\u00edrek k\u00fcl\u00f6n\u00f6sen rossz id\u0151ben \u00e9rkeznek az Intel sz\u00e1m\u00e1ra: az AMD hamarosan kiadja a modern, 7 nm-es Zen 2 architekt\u00far\u00e1j\u00fa CPU-csal\u00e1dot asztali \u00e9s szerveres feladatokhoz. Id\u0151k\u00f6zben az Intel m\u00e9g mindig a nagyon r\u00e9gi (a gy\u00e1rt\u00e1stechnol\u00f3gia fejl\u0151d\u00e9se szempontj\u00e1b\u00f3l) 14 nm-es technol\u00f3gi\u00e1t haszn\u00e1l, \u00e9s nem tudja elind\u00edtani a 10 nm-es chipek t\u00f6meggy\u00e1rt\u00e1s\u00e1t. Mindez kedvez az AMD-nek, amely ennek k\u00f6vetkezt\u00e9ben val\u00f3sz\u00edn\u0171leg tov\u00e1bbra is n\u00f6velni fogja piaci r\u00e9szesed\u00e9s\u00e9t.<\/p>\n

\"Az<\/p>\n

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\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
Forr\u00e1s: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u043e\u0442 \u0443\u0436\u0435 \u0431\u043e\u043b\u044c\u0448\u0435 \u0433\u043e\u0434\u0430 \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f Spectre \u0438 Meltdown \u0440\u044b\u043d\u043e\u043a \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043b\u0438\u0445\u043e\u0440\u0430\u0434\u0438\u0442 \u043e\u0442 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0432\u0441\u0451 \u043d\u043e\u0432\u044b\u0445 \u0438 \u043d\u043e\u0432\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441\u043e \u0441\u043f\u0435\u043a\u0443\u043b\u044f\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f\u043c\u0438. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u043d\u044b\u043c\u0438 \u0438\u043c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044e\u044e ZombieLoad, \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u0447\u0438\u043f\u044b Intel. \u041a\u043e\u043d\u0435\u0447\u043d\u043e, AMD \u043d\u0435 \u043f\u0440\u0435\u043c\u0438\u043d\u0443\u043b\u0430 \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u044d\u0442\u0438\u043c, \u0434\u0435\u043b\u0430\u044f \u0430\u043a\u0446\u0435\u043d\u0442 \u043d\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0441\u0432\u043e\u0438\u0445 \u0426\u041f. \u041d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435, \u043f\u043e\u0441\u0432\u044f\u0449\u0451\u043d\u043d\u043e\u0439 Spectre-\u043f\u043e\u0434\u043e\u0431\u043d\u044b\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u043c, \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u0433\u043e\u0440\u0434\u043e \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430: «\u041c\u044b \u0432 AMD […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25751,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-34126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Az AMD a Zen 2 bevezet\u00e9se el\u0151tt bejelentette processzorainak biztons\u00e1g\u00e1t \u00e9s v\u00e9detts\u00e9g\u00e9t az \u00faj t\u00e1mad\u00e1sokkal szemben | ProHoster","description":"T\u00f6bb mint egy \u00e9ve, hogy felfedezt\u00e9k a Spectre \u00e9s Meltdown sebezhet\u0151s\u00e9geket, a processzorpiacot folyamatosan \u00fajabb \u00e9s \u00fajabb, spekulat\u00edv sz\u00e1m\u00edt\u00e1ssal kapcsolatos sebezhet\u0151s\u00e9gek miatt zaklatj\u00e1k.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/amd-nakanune-zapuska-zen-2-zayavila-o-bezopasnosti-i-neuyazvimosti-svoih-tsp-k-novym-atakam","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\udd47AMD \u043d\u0430\u043a\u0430\u043d\u0443\u043d\u0435 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 Zen 2 \u0437\u0430\u044f\u0432\u0438\u043b\u0430 \u043e 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