CVE-2022-49672

CVE-2022-49672 affects the Linux kernel tun/tun.c: a race can occur during destruction where NAPI objects linked in struct tun_file may be destroyed before the netdev they reference. The vulnerability arises because NAPIs are not deleted when the queue is detached, allowing a race between the tun...

CVE-2022-49672 net: tun: unlink NAPI from device on destruction

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...