The TCP stack in the Linux kernel through 4.10.6 mishandles the SCM_TIMESTAMPING_OPT_STATS feature, which allows local users to obtain sensitive information from the kernel's internal socket data structures or cause a denial of service (out-of-bounds read) via crafted system calls, related to net/core/skbuff.c and net/socket.c.
https://patchwork.ozlabs.org/patch/740639/
https://patchwork.ozlabs.org/patch/740636/
https://lkml.org/lkml/2017/3/15/485
https://github.com/torvalds/linux/commit/8605330aac5a5785630aec8f64378a54891937cc
https://github.com/torvalds/linux/commit/4ef1b2869447411ad3ef91ad7d4891a83c1a509a