Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.
Exploitability
AV:LAC:HPR:NUI:RScope
S:UImpact
C:HI:HA:H7/CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H