The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 4.11.12.x |