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CVE   ID

CVE-2024-2193

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2024Äê3ÔÂ18ÈÕ £¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½Ñо¿Ö°Ô±·¢Ã÷ÁËÒ»ÖÖеÄÊý¾Ýй¶¹¥»÷ £¬³ÆΪGhostRace (CVE-2024-2193 ) £¬¸ÃÎó²î»áÓ°ÏìÖ§³ÖÍƲâÖ´ÐеÄÏÖ´ú CPU ¼Ü¹¹ £¬ÈçIntel¡¢AMD¡¢ARM ºÍ IBM ´¦Öóͷ£Æ÷ £¬ÏÖÔÚ¸ÃÎó²îµÄPoCÒѹûÕæ¡£

¸ÃÎó²îΪSpectre v1 (CVE-2017-5753) ˲ʱִÐÐCPUÎó²îµÄ±äÌå £¬ÍŽáÁËÍƲâÖ´Ðк;ºÕùÌõ¼þ¡£ÍþвÕß¿ÉʹÓøÃÎó²î £¬Ê¹ÓþºÕùÌõ¼þ»á¼ûÍƲâµÄ¿ÉÖ´ÐдúÂë·¾¶ £¬´Ó¶øй¶CPUÖеÄí§ÒâÊý¾Ý¡£

 

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Intel¡¢AMD¡¢ARM ¡¢IBMµÈÖ÷ÒªÓ²¼þ¹©Ó¦É̵Ĵ¦Öóͷ£Æ÷ÒÔ¼°Linux ÄÚºË £¬ÊÜ Spectre-v1 Ó°ÏìµÄ΢¼Ü¹¹

Èí¼þ £¬ÀýÈç²Ù×÷ϵͳ¡¢ÐéÄâ»úÖÎÀí³ÌÐòµÈ £¬Í¨¹ýÌõ¼þ·Ö֧ʵÏÖͬ²½Ô­Óï £¬¶øÔڸ÷¾¶ÉÏûÓÐÈκÎÐòÁл¯Ö¸Áî £¬²¢ÇÒÔÚÈκÎ΢ϵͳ½á¹¹£¨ÀýÈç £¬x86¡¢ARM¡¢RISC-V µÈ£©ÉÏÔËÐÐ £¬ÔÊÐíÍƲâÖ´ÐÐÌõ¼þ·ÖÖ§ £¬ÈÝÒ×Êܵ½¸ÃÎó²îÓ°Ïì¡£

  


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3.1 Éý¼¶°æ±¾

ÏÖÔÚ²¿·Ö¹©Ó¦ÉÌÒÑÐû²¼Á˸ÃÎó²îµÄ»º½â²½·¥ £¬ÊÜÓ°ÏìÓû§¿É¹Ø×¢²¢Ó¦Óù©Ó¦ÉÌÌṩµÄ²¹¶¡»ò»º½â²½·¥¡£

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https://www.vusec.net/projects/ghostrace/

3.2 ÔÝʱ²½·¥

ÔÝÎÞ¡£

3.3 ͨÓý¨Òé

l  °´ÆÚ¸üÐÂϵͳ²¹¶¡ £¬ïÔ̭ϵͳÎó²î £¬ÌáÉý·þÎñÆ÷µÄÇå¾²ÐÔ¡£

l  ÔöǿϵͳºÍÍøÂçµÄ»á¼û¿ØÖÆ £¬Ð޸ķÀ»ðǽսÂÔ £¬¹Ø±Õ·ÇÐëÒªµÄÓ¦Óö˿ڻò·þÎñ £¬ïÔÌ­½«Î£ÏÕ·þÎñ£¨ÈçSSH¡¢RDPµÈ£©Ì»Â¶µ½¹«Íø £¬ïÔÌ­¹¥»÷Ãæ¡£

l  ʹÓÃÆóÒµ¼¶Çå¾²²úÆ· £¬ÌáÉýÆóÒµµÄÍøÂçÇå¾²ÐÔÄÜ¡£

l  ÔöǿϵͳÓû§ºÍȨÏÞÖÎÀí £¬ÆôÓöàÒòËØÈÏÖ¤»úÖƺÍ×îСȨÏÞÔ­Ôò £¬Óû§ºÍÈí¼þȨÏÞÓ¦¼á³ÖÔÚ×îµÍÏ޶ȡ£

l  ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐ޸ġ£

3.4 ²Î¿¼Á´½Ó

https://github.com/vusec/ghostrace

https://ibm.github.io/system-security-research-updates/2024/03/12/ghostrace

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7016.html

https://kb.cert.org/vuls/id/488902


 

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