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DRAM¤Î¥á¥â¥ê¥»¥ë¤Ë´³¾Ä¤·°Õ¿ÞŪ¤ËÉÔ¶ñ¹ç¤ò°ú¤µ¯¤³¤¹¡ÖRowhammer¹¶·â¡×¤¬Â¸ºß¤¹¤ë¤³¤È¤Ï°ÊÁ°¤«¤éÃΤé¤ì¤Æ¤ª¤ê¡¢DDR4¥á¥â¥ê¤Ë¤ÏÂкö¤È¤·¤Æ¡ÖTRR(Target Row Refresh)¡×¤È¤¤¤¦Êݸǽ¤¬Æ³Æþ¤µ¤ì¤Þ¤·¤¿¤¬¡¢¤½¤ÎTRR¤µ¤¨¤âÂǤÁÇˤé¤ì¤ë²ÄǽÀ¤¬»ØŦ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¿·¤¿¤Ë¡¢¤³¤ì¤Þ¤ÇRowhammer¹¶·â¤ËÂФ¹¤ëÀȼå(¤¼¤¤¤¸¤ã¤¯)À¤ÏÄ㤤¤È¹Í¤¨¤é¤ì¤Æ¤¤¿AMD Zen¥Ù¡¼¥¹¤ÎCPU¤òÅëºÜ¤·¤¿¥Ç¥Ð¥¤¥¹¤ÇÆ°ºî¤¹¤ë¥á¥â¥ê¤Ë¤âºîÍѤ¹¤ë°¡¼ï¡ÖZenHammer¡×¤¬¥»¥¥å¥ê¥Æ¥£¸¦µæ¼Ô¤Ë¤è¤Ã¤Æȯ¸«¤µ¤ì¤Þ¤·¤¿¡£
https://comsec.ethz.ch/wp-content/files/zenhammer_sec24.pdf
ZenHammer: Rowhammer Attacks on AMD Zen-based Platforms - Computer Security Group
https://comsec.ethz.ch/research/dram/zenhammer/
New ZenHammer memory attack impacts AMD Zen CPUs
https://www.bleepingcomputer.com/news/security/new-zenhammer-memory-attack-impacts-amd-zen-cpus/
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