CAP_KILL - Linux

Symbol: CAP_KILL

drivers/tty/vt/vt_ioctl.c

if (!perm || !capable(CAP_KILL))

kernel/events/core.c

is_capable &= ns_capable(__task_cred(task)->user_ns, CAP_KILL);

kernel/signal.c

ns_capable(tcred->user_ns, CAP_KILL);