{"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\/it\/blog\/amd-podtverdila-chto-eyo-protsessory-ne-podverzheny-uyazvimosti-spoiler","title":{"rendered":"AMD ha confermato che i suoi processori non sono vulnerabili alla vulnerabilit\u00e0 Spoiler","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

All'inizio di questo mese, \u00e8 stata scoperta una nuova vulnerabilit\u00e0 critica nei processori Intel, denominata \u00abSpoiler\u00bb. Gli esperti che hanno identificato il problema hanno comunicato che i processori AMD e ARM non ne sono suscettibili. Ora, l'azienda AMD ha confermato che, grazie alle caratteristiche architetturali, Spoiler non rappresenta una minaccia per i suoi processori.<\/p>\n

\"AMD<\/p>\n

Come nel caso delle vulnerabilit\u00e0 Spectre e Meltdown, il nuovo problema \u00e8 legato all'implementazione dei meccanismi di esecuzione speculativa nei processori Intel. Nei chip AMD tale meccanismo \u00e8 implementato in modo diverso, in particolare si utilizza un diverso approccio alla gestione delle operazioni nella memoria RAM e nella cache. Pi\u00f9 specificamente, Spoiler pu\u00f2 accedere a informazioni parziali sull'indirizzo (sopra l'11 bit dell'indirizzo) durante le operazioni di caricamento. I processori AMD non utilizzano corrispondenze parziali degli indirizzi sopra l'11 bit dell'indirizzo nella risoluzione dei conflitti di caricamento.<\/p>\n

\"AMD<\/p>\n

\u00c8 importante notare che, sebbene Spoiler, proprio come Spectre, si basi sul meccanismo di esecuzione speculativa, chiudere la nuova vulnerabilit\u00e0 con le 'patch' esistenti per le precedenti exploit non sar\u00e0 possibile. Ci\u00f2 significa che i processori Intel attuali necessitano di nuove patch, che potrebbero nuovamente influire sulle prestazioni dei chip. In futuro, Intel avr\u00e0 senz'altro bisogno di correzioni a livello architetturale. L'azienda AMD, invece, non dovr\u00e0 intraprendere azioni simili.<\/p>\n

\"AMD<\/p>\n

In conclusione, va notato che Spoiler riguarda tutti i processori Intel, a partire dai chip Core di prima generazione fino agli attuali Coffee Lake Refresh, cos\u00ec come i non ancora rilasciati Cascade Lake e Ice Lake. Nonostante Intel sia stata informata del problema gi\u00e0 all'inizio di dicembre dello scorso anno, e siano gi\u00e0 trascorsi pi\u00f9 di dieci giorni dall'uscita pubblica di Spoiler, l'azienda non ha ancora presentato possibili soluzioni al problema e non ha rilasciato neppure una dichiarazione ufficiale in merito.<\/p>\n

<\/p>\n

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

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\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, […]<\/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\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 ha confermato che i suoi processori non sono vulnerabili alla vulnerabilit\u00e0 Spoiler | ProHoster","description":"All'inizio di questo mese, \u00e8 stata scoperta una nuova vulnerabilit\u00e0 critica nei processori Intel, denominata 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