{"id":30014,"date":"2019-10-31T21:33:12","date_gmt":"2019-10-31T18:33:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/amd-podtverdila-chto-eyo-protsessory-ne-podverzheny-uyazvimosti-spoiler\/"},"modified":"2019-10-31T21:33:12","modified_gmt":"2019-10-31T18:33:12","slug":"amd-podtverdila-chto-eyo-protsessory-ne-podverzheny-uyazvimosti-spoiler","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/amd-podtverdila-chto-eyo-protsessory-ne-podverzheny-uyazvimosti-spoiler","title":{"rendered":"AMD heeft bevestigd dat haar processoren niet kwetsbaar zijn voor de Spoiler-kwetsbaarheid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Eerder deze maand werd bekend dat er een nieuwe kritische kwetsbaarheid in Intel-processoren is ontdekt, die de naam 'Spoiler' heeft gekregen. De onderzoekers hebben gemeld dat AMD- en ARM-processoren niet kwetsbaar zijn voor deze kwetsbaarheid. Nu heeft AMD bevestigd dat, dankzij architectonische kenmerken, Spoiler geen bedreiging vormt voor haar processoren.<\/p>\n

\"AMD<\/p>\n

Net als bij de Spectre- en Meltdown-kwetsbaarheden ligt het probleem bij de implementatie van de mechanismen voor speculatieve uitvoering van instructies in Intel-processoren. In AMD-chips is dit mechanisme anders ge\u00efmplementeerd, met name door een andere benadering van het beheer van operaties in het werkgeheugen en de cache. Om preciezer te zijn, Spoiler kan toegang krijgen tot gedeeltelijke informatie over het adres (boven 11 bits van het adres) tijdens laadoperaties. AMD-processoren gebruiken geen gedeeltelijke adresovereenkomsten boven 11 bits van het adres bij het oplossen van laadconflicten.<\/p>\n

\"AMD<\/p>\n

Het is belangrijk op te merken dat, hoewel Spoiler, net als Spectre, afhankelijk is van het mechanisme voor speculatieve uitvoering van instructies, bestaande 'patches' voor eerdere exploits niet kunnen worden gebruikt om de nieuwe kwetsbaarheid te verhelpen. Dit betekent dat actuele Intel-processoren nieuwe patches nodig hebben, die mogelijk opnieuw invloed kunnen hebben op de prestaties van de chips. In de toekomst zal Intel natuurlijk architecturale correcties moeten aanbrengen. AMD zal echter geen soortgelijke maatregelen hoeven te nemen.<\/p>\n

\"AMD<\/p>\n

Tot slot willen we opmerken dat Spoiler betrekking heeft op alle Intel-processoren, te beginnen met de Core-chips van de eerste generatie tot en met de actuele Coffee Lake Refresh, evenals de nog niet uitgebrachte Cascade Lake en Ice Lake. Hoewel Intel zelf al in het begin van december vorig jaar over het probleem is ge\u00efnformeerd, en er meer dan tien dagen zijn verstreken sinds de publieke bekendmaking van Spoiler, heeft Intel nog steeds geen mogelijke oplossingen voor het probleem gepresenteerd en bovendien geen offici\u00eble verklaring hierover afgelegd.<\/p>\n

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

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[…]<\/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":[],"tags":[],"class_list":["post-30014","post","type-post","status-publish","format-standard","hentry"],"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\udd47AMD heeft bevestigd dat haar processoren niet kwetsbaar zijn voor de Spoiler-kwetsbaarheid | ProHoster","description":"Eerder deze maand werd bekend dat er een nieuwe kritische kwetsbaarheid in Intel-processoren is ontdekt, die de naam 'Spoiler' heeft 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