The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/
- https://github.com/ARPSyndicate/cvemon