Mune vhost-net mutyairi, iyo inovimbisa kushanda kwevirtio net padivi penzvimbo yevaenzi, kusagadzikana (), zvichibvumira mushandisi wepanzvimbo kuti atange kernel stack kufashukira nekutumira yakanyatso kurongeka ioctl(VHOST_NET_SET_BACKEND) kune /dev/vhost-net mudziyo. Dambudziko rinokonzerwa nekushaikwa kwechokwadi chekusimbisa zviri mukati me sk_family field mu get_raw_socket() function code.
Zvinoenderana nedata rekutanga, kusazvibata kunogona kushandiswa kuita kurwisa kweDoS yemuno nekukonzeresa kuparara kwekernel (hapana ruzivo nezve mashandisirwo ekufashukira kwakakonzerwa nekusagadzikana kwekuronga kodhi kuuraya).
Kunetseka muLinux kernel 5.5.8 update. Nekugovera, unogona kuteedzera kuburitswa kwepakeji zvigadziriso pamapeji , , , , , .
Source: opennet.ru