{"id":145975,"date":"2025-10-21T11:12:11","date_gmt":"2025-10-21T09:12:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/intel-i-amd-standartiziruyut-mehanizm-chktag-dlya-zashhity-ot-uyazvimostej-pri-rabote-s-pamyatyu"},"modified":"2025-10-21T11:12:11","modified_gmt":"2025-10-21T09:12:11","slug":"intel-i-amd-standartiziruyut-mehanizm-chktag-dlya-zashhity-ot-uyazvimostej-pri-rabote-s-pamyatyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/intel-i-amd-standartiziruyut-mehanizm-chktag-dlya-zashhity-ot-uyazvimostej-pri-rabote-s-pamyatyu","title":{"rendered":"Intel y AMD estandarizan el mecanismo ChkTag para protegerse de vulnerabilidades al trabajar con memoria","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Las empresas Intel y AMD est\u00e1n desarrollando conjuntamente un conjunto ampliado de instrucciones ChkTag (x86 Memory Tagging), que ser\u00e1 estandarizado para su implementaci\u00f3n unificada en procesadores x86 de varios fabricantes. En t\u00e9rminos de capacidades, ChkTag se asemeja a la extensi\u00f3n MTE (MemTag), que ya se ofrece en procesadores ARM, y tambi\u00e9n permite bloquear la explotaci\u00f3n de vulnerabilidades causadas por accesos a bloques de memoria ya liberados, desbordamientos de b\u00fafer o accesos a la memoria antes de su inicializaci\u00f3n.      <\/p>\n<p>ChkTag ofrece nuevas instrucciones de procesador que permiten a nivel de hardware vincular etiquetas a \u00e1reas de memoria y organizar la verificaci\u00f3n de la validez del uso de punteros. Se afirma que la aplicaci\u00f3n de estas instrucciones por los compiladores permitir\u00e1 garantizar un manejo seguro de la memoria sin comprometer el rendimiento de las aplicaciones. Adem\u00e1s, las aplicaciones que utilizan ChkTag seguir\u00e1n siendo compatibles con los procesadores antiguos que no tienen soporte de hardware para ChkTag, lo que facilitar\u00e1 la implementaci\u00f3n de la protecci\u00f3n.    <\/p>\n<p>El m\u00e9todo de protecci\u00f3n implementado se basa en la creaci\u00f3n de una etiqueta para cada bloque de memoria, que act\u00faa como una especie de clave para acceder a esa memoria (por ejemplo, en la implementaci\u00f3n de MTE, se crea una etiqueta de 4 bits cada 16 bytes). La etiqueta se genera por la aplicaci\u00f3n para el \u00e1rea de memoria asignada utilizando instrucciones especiales de la CPU, y luego se guarda en los bits superiores no utilizados del puntero, as\u00ed como en un \u00e1rea reservada e inaccesible para las aplicaciones de memoria lineal\/virtual. Al acceder a la memoria utilizando un puntero etiquetado, el procesador verifica si la etiqueta vinculada al puntero coincide con las etiquetas vinculadas a los bloques de memoria, y permite el acceso solo si las etiquetas coinciden.      <\/p>\n<p>La tecnolog\u00eda ChkTag ha sido desarrollada a partir de la colaboraci\u00f3n entre Intel y AMD en el grupo EAG (Grupo Asesor del Ecosistema x86), creado hace un a\u00f1o para facilitar la compatibilidad entre plataformas x86, estandarizar las interfaces de productos de Intel y AMD, simplificar el desarrollo de software para sistemas x86 y detectar las necesidades de los desarrolladores para ampliar la arquitectura. Adem\u00e1s de Intel y AMD, los participantes del grupo incluyen a Linus Torvalds, creador del n\u00facleo de Linux, Tim Sweeney, fundador de Epic Games y uno de los desarrolladores clave del motor de juego Unreal Engine, as\u00ed como representantes de empresas como Broadcom, Dell, Google, Hewlett Packard, Lenovo, Meta, Microsoft, Oracle y Red Hat.     <\/p>\n<p>Adem\u00e1s de ChkTag, Intel y AMD tambi\u00e9n han estandarizado y unificado las implementaciones del modelo de manejo de interrupciones FRED (Flexible Return and Event Delivery), el conjunto de instrucciones vectoriales AVX10 y las extensiones para multiplicaci\u00f3n de matrices ACE (Advanced Matrix Extensions).<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64091\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Intel \u0438 AMD \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0439 \u043d\u0430\u0431\u043e\u0440 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 ChkTag (x86 Memory Tagging), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d \u0434\u043b\u044f \u0443\u043d\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 x86-\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439. \u041f\u043e \u0441\u0432\u043e\u0438\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c ChkTag \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 MTE (MemTag), \u0443\u0436\u0435 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 ARM, \u0438 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u043c \u0431\u043b\u043e\u043a\u0430\u043c \u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0438\u043b\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043f\u0430\u043c\u044f\u0442\u0438 [&hellip;]<\/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":[702],"tags":[],"class_list":["post-145975","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Intel \u0438 AMD \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0439 \u043d\u0430\u0431\u043e\u0440 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 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mecanismo ChkTag para proteger contra vulnerabilidades en la gesti\u00f3n de memoria | ProHoster","description":"Intel y AMD est\u00e1n desarrollando conjuntamente un conjunto de instrucciones ampliadas ChkTag (x86 Memory Tagging), que ser\u00e1n estandarizadas para una implementaci\u00f3n unificada en los procesadores x86 de diferentes fabricantes.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/intel-i-amd-standartiziruyut-mehanizm-chktag-dlya-zashhity-ot-uyazvimostej-pri-rabote-s-pamyatyu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","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 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