{"id":33706,"date":"2019-10-31T21:54:17","date_gmt":"2019-10-31T18:54:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novyj-klass-uyazvimostej-protsessorov-intel-riskuet-pohoronit-hyper-threading-vyshli-zaplatki-vyklyuchateli\/"},"modified":"2019-10-31T21:54:17","modified_gmt":"2019-10-31T18:54:17","slug":"novyj-klass-uyazvimostej-protsessorov-intel-riskuet-pohoronit-hyper-threading-vyshli-zaplatki-vyklyuchateli","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/novyj-klass-uyazvimostej-protsessorov-intel-riskuet-pohoronit-hyper-threading-vyshli-zaplatki-vyklyuchateli","title":{"rendered":"Nowa klasa luk w zabezpieczeniach procesor\u00f3w Intel grozi pogrzebaniem technologii Hyper-Threading: opublikowano \u0142atki-dezaktywatory","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Wydawa\u0142oby si\u0119, \u017ce po odkrytych ponad rok temu lukach Meltdown i Spectre nic ju\u017c nie zaskoczy zwolennik\u00f3w i u\u017cytkownik\u00f3w procesor\u00f3w Intel. A jednak firmie znowu uda\u0142o si\u0119 nas zaskoczy\u0107. A dok\u0142adniej, zaskoczyli badacze luk w mikroarchitekturze procesor\u00f3w Intel. Pakiet nowych luk<\/a><\/noindex> pod wsp\u00f3ln\u0105 nazw\u0105 microarchitectural data sampling (MDS) mo\u017ce zagrozi\u0107 technologii wielow\u0105tkowego przetwarzania lub Hyper-Threading (w og\u00f3lnym przypadku \u2013 simultaneous multithreading, SMT). Okaza\u0142o si\u0119, \u017ce atak z wykorzystaniem jednego z wariant\u00f3w MDS mo\u017ce przerwa\u0107 izolacj\u0119 jednego z w\u0105tk\u00f3w Hyper-Threading i u\u0142atwi\u0107 dost\u0119p do wra\u017cliwych danych w buforach i portach procesor\u00f3w (na poziomie poni\u017cej pami\u0119ci podr\u0119cznej pierwszego poziomu). Co z tym zrobi\u0107? Pierwsze, co przychodzi na my\u015bl \u2013 wy\u0142\u0105czy\u0107 Hyper-Threading, co zrobili deweloperzy ChromeOS. Co si\u0119 stanie z wydajno\u015bci\u0105 procesor\u00f3w? Zmniejszy si\u0119. Stopie\u0144 spowolnienia mo\u017ce osi\u0105gn\u0105\u0107 40%, a mo\u017ce nawet wi\u0119cej.<\/p>\n

\"Nowa<\/p>\n

Jak na razie niewielu programist\u00f3w system\u00f3w operacyjnych i aplikacji posz\u0142o drog\u0105 ChromeOS, ale poprawki i aktualizacje nie kaza\u0142y na siebie d\u0142ugo czeka\u0107<\/a><\/noindex>. Firma Apple wypu\u015bci\u0142a aktualizacje dla swoich komputer\u00f3w i laptop\u00f3w sprzedawanych od 2011 roku. Wed\u0142ug firmy, wszystkie systemy dzia\u0142aj\u0105ce pod macOS Mojave 10.14 ju\u017c zosta\u0142y za\u0142atane<\/a><\/noindex>. To zapobiegnie atakom przez Safari i inne aplikacje. Przy tym wi\u0119kszo\u015b\u0107 u\u017cytkownik\u00f3w nie powinna odczu\u0107 spadku wydajno\u015bci. Ca\u0142kowite zapobie\u017cenie zagro\u017ceniu jednak wymaga wy\u0142\u0105czenia Hyper-Threading, co mo\u017ce obni\u017cy\u0107 wydajno\u015b\u0107 o 40%. \u0141atki dla system\u00f3w operacyjnych Sierra i High Sierra r\u00f3wnie\u017c zostan\u0105 wydane. Produkty iPhone, iPad i Watch nie s\u0105 dotkni\u0119te tymi podatno\u015bciami.<\/p>\n

Firma Google przygotowuje poprawki dla Androida i b\u0119dzie aktualizowa\u0107 Chrome. Nale\u017cy zaznaczy\u0107, \u017ce Android nale\u017cy chroni\u0107 przed lukami MDS tylko na platformach zgodnych z x86 (specjalne podzi\u0119kowania dla Intel za procesory Atom). Poprawki dla smartfon\u00f3w i tablet\u00f3w na platformach Intel powinny zosta\u0107 wydane przez producent\u00f3w urz\u0105dze\u0144, a Google jest ju\u017c gotowa do rozsy\u0142ania niezb\u0119dnego poprawionego kodu. Chromebooki (Chrome OS) ju\u017c s\u0105 zabezpieczone.<\/a><\/noindex> \u0142atach do nowych luk w zabezpieczeniach, a w przysz\u0142o\u015bci sama system operacyjny zostanie poprawiony. W mi\u0119dzyczasie Google zach\u0119ca u\u017cytkownik\u00f3w do upewnienia si\u0119, \u017ce producenci urz\u0105dze\u0144 wydali niezb\u0119dne poprawki i\/lub te poprawki zosta\u0142y dostarczone do Microsoft i Apple jako tw\u00f3rc\u00f3w system\u00f3w operacyjnych. Dla platform chmurowych i centr\u00f3w danych Google ju\u017c rozpowszechni\u0142a<\/a><\/noindex> \u0142atki do ochrony procesor\u00f3w serwerowych przed MDS.<\/p>\n

<\/center><\/p>\n

Producent przegl\u0105darki Firefox, firma Mozilla, zaprezentuje poprawione wersje aplikacji 21 maja. B\u0119d\u0105 to Firefox w wersji 67 i Extended Support Release w wersji 60.7. Przegl\u0105darki Firefox Beta i Firefox Nightly ju\u017c zawieraj\u0105 niezb\u0119dne poprawki chroni\u0105ce przed now\u0105 luk\u0105.<\/p>\n

\"Nowa<\/p>\n

Firma Microsoft r\u00f3wnie\u017c wyda\u0142a poprawki dla system\u00f3w operacyjnych i platform chmurowych. Chocia\u017c firma zaleca uzyskanie poprawionego mikrokodu od producent\u00f3w urz\u0105dze\u0144, stworzy\u0142a tak\u017ce stron\u0119<\/a><\/noindex> do samodzielnego pobierania poprawek. Poprawka zosta\u0142a r\u00f3wnie\u017c w\u0142\u0105czona do pakietu automatycznych aktualizacji przez us\u0142ug\u0119 Windows Update i b\u0119dzie rozpowszechniana od czwartku. Us\u0142uga Microsoft Azure jest ju\u017c chroniona przed nowymi lukami. Us\u0142uga chmurowa Amazon AWS r\u00f3wnie\u017c zosta\u0142a poprawiona<\/a><\/noindex>.<\/p>\n

W ko\u0144cu, dost\u0119pne s\u0105 poprawki dla takich system\u00f3w operacyjnych jak Linux. Red Hat<\/a><\/noindex> i Ubuntu<\/a><\/noindex>Ci\u0105g dalszy nast\u0105pi.<\/p>\n

<\/p>\n

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\u0179r\u00f3d\u0142o: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b, \u0447\u0442\u043e \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0431\u043e\u043b\u044c\u0448\u0435 \u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 Meltdown \u0438 Spectre \u0443\u0436\u0435 \u043d\u0438\u0447\u0442\u043e \u043d\u0435 \u0438\u0441\u043f\u0443\u0433\u0430\u0435\u0442 \u043f\u043e\u043a\u043b\u043e\u043d\u043d\u0438\u043a\u043e\u0432 \u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 Intel. \u0418 \u0432\u0441\u0451 \u0436\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 \u0441\u043d\u043e\u0432\u0430 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043d\u0430\u0441 \u0443\u0434\u0438\u0432\u0438\u0442\u044c. \u0422\u043e\u0447\u043d\u0435\u0435, \u0443\u0434\u0438\u0432\u0438\u043b\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u043c\u0438\u043a\u0440\u043e\u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 Intel. \u041f\u0430\u043a\u0435\u0442 \u043d\u043e\u0432\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u043e\u0434 \u043e\u0431\u0449\u0438\u043c \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c microarchitectural data sampling (MDS) \u0433\u0440\u043e\u0437\u0438\u0442 \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043a\u0440\u0435\u0441\u0442 \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439 \u0438\u043b\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25388,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-33706","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\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\udd47Nowa klasa luk w zabezpieczeniach procesor\u00f3w Intel mo\u017ce zabi\u0107 Hyper-Threading: wydano poprawki-wy\u0142\u0105czniki | ProHoster","description":"Wydawa\u0142oby si\u0119, \u017ce po odkryciu ponad rok temu luk Meltdown i Spectre, \u017cadne zagro\u017cenie nie zaskoczy\u0142o fan\u00f3w i u\u017cytkownik\u00f3w procesor\u00f3w Intel. A jednak firmom uda\u0142o si\u0119 ponownie nas zaskoczy\u0107.","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/novyj-klass-uyazvimostej-protsessorov-intel-riskuet-pohoronit-hyper-threading-vyshli-zaplatki-vyklyuchateli","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","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\u041d\u043e\u0432\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 Intel \u0440\u0438\u0441\u043a\u0443\u0435\u0442 \u043f\u043e\u0445\u043e\u0440\u043e\u043d\u0438\u0442\u044c Hyper-Threading: \u0432\u044b\u0448\u043b\u0438 \u0437\u0430\u043f\u043b\u0430\u0442\u043a\u0438-\u0432\u044b\u043a\u043b\u044e\u0447\u0430\u0442\u0435\u043b\u0438 | ProHoster","og:description":"\u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b, \u0447\u0442\u043e \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0431\u043e\u043b\u044c\u0448\u0435 \u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 Meltdown \u0438 Spectre \u0443\u0436\u0435 \u043d\u0438\u0447\u0442\u043e \u043d\u0435 \u0438\u0441\u043f\u0443\u0433\u0430\u0435\u0442 \u043f\u043e\u043a\u043b\u043e\u043d\u043d\u0438\u043a\u043e\u0432 \u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 Intel. \u0418 \u0432\u0441\u0451 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\u0443\u0434\u0438\u0432\u0438\u0442\u044c.","og:url":"https:\/\/prohoster.info\/pl\/blog\/news\/novyj-klass-uyazvimostej-protsessorov-intel-riskuet-pohoronit-hyper-threading-vyshli-zaplatki-vyklyuchateli","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":"2019-10-31T18:54:17+00:00","article:modified_time":"2019-10-31T18:54:17+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"33706","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":"2026-01-21 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