{"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\/fr\/blog\/amd-podtverdila-chto-eyo-protsessory-ne-podverzheny-uyazvimosti-spoiler","title":{"rendered":"AMD a confirm\u00e9 que ses processeurs ne sont pas vuln\u00e9rables \u00e0 la faille Spoiler.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Au d\u00e9but du mois, une nouvelle vuln\u00e9rabilit\u00e9 critique dans les processeurs Intel, nomm\u00e9e \u00abSpoiler\u00bb, a \u00e9t\u00e9 signal\u00e9e. Les experts qui ont d\u00e9couvert le probl\u00e8me ont indiqu\u00e9 que les processeurs AMD et ARM n'\u00e9taient pas touch\u00e9s. AMD a maintenant confirm\u00e9 qu'en raison de caract\u00e9ristiques architecturales, Spoiler ne pose pas de menace pour ses processeurs.<\/p>\n

\"AMD<\/p>\n

Comme pour les vuln\u00e9rabilit\u00e9s Spectre et Meltdown, le nouveau probl\u00e8me r\u00e9side dans la mise en \u0153uvre des m\u00e9canismes d'ex\u00e9cution sp\u00e9culative des instructions dans les processeurs Intel. Les puces AMD utilisent une approche diff\u00e9rente, notamment en ce qui concerne la gestion des op\u00e9rations en m\u00e9moire vive et dans le cache. Plus pr\u00e9cis\u00e9ment, Spoiler peut acc\u00e9der \u00e0 une partie des informations sur l'adresse (au-dessus de 11 bits d'adresse) lors des op\u00e9rations de chargement. Les processeurs AMD ne font pas appel aux correspondances d'adresses partielles au-del\u00e0 de 11 bits lors de la r\u00e9solution des conflits de chargement.<\/p>\n

\"AMD<\/p>\n

Il est important de noter que m\u00eame si Spoiler, tout comme Spectre, repose sur le m\u00e9canisme d'ex\u00e9cution sp\u00e9culative des instructions, il ne sera pas possible de corriger cette nouvelle vuln\u00e9rabilit\u00e9 avec les \u00abpatchs\u00bb existants contre les pr\u00e9c\u00e9dentes exploitations. En d'autres termes, les processeurs Intel actuels n\u00e9cessitent de nouveaux correctifs, qui pourraient \u00e0 nouveau affecter les performances des puces. Par la suite, Intel devra \u00e9galement apporter des corrections au niveau architectural. AMD, quant \u00e0 elle, n'aura pas \u00e0 prendre de telles mesures.<\/p>\n

\"AMD<\/p>\n

En conclusion, il convient de noter que Spoiler concerne tous les processeurs Intel, depuis les puces Core de premi\u00e8re g\u00e9n\u00e9ration jusqu'aux Coffee Lake Refresh, ainsi que les Cascade Lake et Ice Lake qui ne sont pas encore sortis. Bien qu'Intel ait \u00e9t\u00e9 inform\u00e9 du probl\u00e8me d\u00e8s d\u00e9but d\u00e9cembre dernier, et qu'il ait d\u00e9j\u00e0 pass\u00e9 plus de dix jours depuis la r\u00e9v\u00e9lation publique de Spoiler, la soci\u00e9t\u00e9 Intel n'a toujours pas pr\u00e9sent\u00e9 d'\u00e9ventuelles solutions au probl\u00e8me ni \u00e9mis de d\u00e9claration officielle \u00e0 ce sujet.<\/p>\n

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

\u0420\u0430\u043d\u0435\u0435 \u0432 \u044d\u0442\u043e\u043c \u043c\u0435\u0441\u044f\u0446\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043e\u0431 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 Intel, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u00abSpoiler\u00bb. \u0412\u044b\u044f\u0432\u0438\u0432\u0448\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u044b \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438, \u0447\u0442\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b AMD \u0438 ARM \u043d\u0435 \u0432\u043e\u0441\u043f\u0440\u0438\u0438\u043c\u0447\u0438\u0432\u044b \u043a \u043d\u0435\u0439. \u0422\u0435\u043f\u0435\u0440\u044c \u0436\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f AMD \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u043b\u0430, \u0447\u0442\u043e \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043d\u044b\u043c \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u043c Spoiler \u043d\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0443\u0433\u0440\u043e\u0437\u044b \u0434\u043b\u044f \u0435\u0451 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432. \u041a\u0430\u043a \u0438 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 Spectre \u0438 Meltdown, 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