¡¶²»´©Ùô·þµÄè¤Ù¤½ÌÁ·¡·Ó°Ï·¸ßÇåÃâ·ÑԢĿ_ÔÚÏßÓ°Ï·..."/> ¾ÍÔÚÕâµÆ¹â֮ϣ¬Ò»³¡×ãÒÔÔØÈëÊ·²áµÄƹÅÒÊ¢ÑçÇÄÈ»ÎÞÉùµØÀ¿ªÁËá¡Ä»¡£"/>
¡¶¡¶²»´©Ùô·þµÄè¤Ù¤½ÌÁ·¡·Ó°Ï·¸ßÇåÃâ·ÑԢĿ_ÔÚÏßÓ°Ï·...¡·¾çÇé¼ò½é£º¾ÍÔÚÕâµÆ¹âÖ®ÏÂÒ»³¡×ãÒÔÔØÈëÊ·²áµÄƹÅÒÊ¢ÑçÇÄÈ»ÎÞÉùµØÀ¿ªÁËá¡Ä»ËýÁ¬Ã¦Åܵ½³Â³ßµÄס´¦µ«ÄÇÀïÄÜÕÒ»ñµÃËýÀÏ׿×ÚµÄÉíÓ°¡¶²»´©Ùô·þµÄè¤Ù¤½ÌÁ·¡·Ó°Ï·¸ßÇåÃâ·ÑԢĿ_ÔÚÏßÓ°Ï·...ÈôÊÇÄãÄܹ»ÔÚÎäʦ¾³½çÒâ»áµ¶Òâ¡¢½£Ò⡢ǹÒâµÈÎäµÀÒâÖ¾ÄÇÄã¼´ÊÇÕæÕýµÄÌì²ÅÁøºìÎèµÄ¸¸Ç׿´×ÅÌì¿ÕÑÛÉñÖгäÂúÁËÉñÍù֮ɫº«´óÒ¯µÄ¹ÊÊ´ú±íÁËÖйú 2.1 ÒÚÍíÄêÈ˵ÄÐÄÉùËûÃÇÅÎÔ¸±»¹Ø°®ÅÎÔ¸ÓйéÊô¸ÐÅÎÔ¸°²ÏíÍíÄê
¡¶¡¶²»´©Ùô·þµÄè¤Ù¤½ÌÁ·¡·Ó°Ï·¸ßÇåÃâ·ÑԢĿ_ÔÚÏßÓ°Ï·...¡·ÊÓÆµËµÃ÷£ºÍËÏàʶ¸ü¶à×Éѯµç»°£º0533-2273780
ÏÔÈ»ÕźյÈÌìÒ»Ã˵ÄÈËҲûÓиÐÊܵ½Î£ÏÕÒÔÊDzŴóÒâÖ®ÏÂÈÃÄÇô¶àÈ˽øÈ¥ËÍËÀÊÖ°ÑÊÖ½ÌÇ徲С°×Linux ÄÚºËÌáȨÎó²î2020-05-20 18:23¡¤ÉøÍ¸²âÊÔѵÁ·ÓªÎó²îÇ鱨£ºLinuxÄں˵½5.4.28/5.5.13/5.6.0 BPFÑéÖ¤Æ÷ÄÚºË/ BPF / veriver .c)ÄÚ´æË𻵵¼ÖµÄȨÏÞÌáÉýÎó²îCVE-2020-88352020Äê03ÔÂ31ÈÕ ZDI ÔÚ Pwn2Own ½ÇÖðÉÏÑÝʾµÄ Linux ÄÚºËȨÏÞÌáÉýÎó²îÒѾ±» CVE Ê×¼´óÀÐÔÚ½ÇÖðÉ϶¼ÊÇÓÃ0dayµÄÂðÕæÊǶÔÎÒÕâÖÖ°Ù¶ÈËÑÎÊÌâÃÕµ×µÄС°×µÄ½µÎ¬¹¥»÷ÐÎòÔÚLinuxÄÚºË5.5.0»ò¸üа汾ÖÐbpfÑéÖ¤Æ÷(kernel/bpf/ verifierc)ûÓÐ׼ȷµØÏÞÖÆ32λ²Ù×÷µÄ¼Ä´æÆ÷¹æÄ£µ¼ÖÂÄÚºËÄÚ´æÖеĶÁдÁè¼ÝÁ˽çÏ߸ÃÎó²î»¹Ó°Ïìµ½Linux 5.4ÎȹÌϵÁдÓv5.4.7×îÏÈÓÉÓÚÒýÈëµÄcommit±»ÏòºóÒÆÖ²µ½¸Ã·ÖÖ§´ËÎó²îÔÚ5.6.1¡¢5.5.14ºÍ5.4.29ÖÐÐÞ¸´(¿¯ÐкÅ:ZDI-CAN-10780)ʲôÊÇbpf°Ø¿ËÀ³·â°ü¹ýÂËÆ÷£¨Berkeley Packet FilterËõд BPF£©ÊÇÀàUnixϵͳÉÏÊý¾ÝÁ´Â·²ãµÄÒ»ÖÖÔʼ½Ó¿ÚÌṩÔʼÁ´Â·²ã·â°üµÄÊÕ·¢³ý´ËÖ®ÍâÈôÊÇÍø¿¨Çý¶¯Ö§³Öºé·ºÄ£Ê½ÄÇôËü¿ÉÒÔÈÃÍø¿¨´¦ÓÚ´ËÖÖģʽÕâÑù¿ÉÒÔÊÕµ½ÍøÂçÉϵÄËùÓаü²»¹ÜËûÃǵÄÄ¿µÄµØÊDz»ÊÇËùÔÚÖ÷»úÓ°Ïì°æ±¾ÎÒÃÇ¿´¿´NVD¸ß´ï7.8·ÖµÄÆÀ·ÖÁ¼¾Ãû¿´µ½linuxÌáȨµÄÎó²îÁËͻȻð³ö¸ölinuxÌáȨ¶´ÕæÈÃÈ˲»ÖÒʵµÄ¿ªÐÄÁËÒ»ÏÂexpÓдóÀÐÒѾд³öÀ´Á˲»¹ýÎÒ»¹Ã»¸´ÏÖÀֳɲ»È»µÄ»°¾Íд¸´Ïֽ̳ÌÁËÒÔºóÈÕÕ¾µÄʱ¼äÓÖ¶àÁËÒ»ÖÖÌáȨҪÁìÖ»²»¹ýlinux ²¢Ã»ÓжÔÕâ¸öÎó²îÐû²¼²¹¶¡Ö»ÊÇÖØÐÂдÁË´úÂë×öÁ˰汾»ØÍËÈ»ºóÖØÐÂÐû²¼ÈôÊÇÕæÊÇÕâÑùµÄ»°ÎÒÖ»ÄÜËµÕæµÄ¿´²»¶®Õâ¸ö²Ù×÷linux ÕâÑù×öÈÃÒѾ×îÏÈÓÃÉÏÕâЩ°æ±¾µÄÓû§Çå¾²ÎÊÌâµÃ²»µ½½â¾ö¼ÓÖ®´úÂëÒ²²»ÊÇдúÂëѽÁîÈËÍ·´ó²»¹ýÎÒÔÚÍâÑóµÄÇå¾²ÍøÕ¾ÉÏ¿´µ½ÁËͦ¶à²¹¶¡µÄ²»ÖªµÀÊDz»ÊÇlinux'¹Ù·½·¢µÄÏÂÃæ¸½ÉÏ´óÀеÄexpÓÐÐËȤµÄС»ï°é¿ÉÒÔʵÑéÒ»ÏÂ#define _GNU_SOURCE#include
2025-10-11 15:07:10