CVE-2018-7995

Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to /sys/devices/system/machinecheck/machinecheck<cpu number> (aka the check_interval file)

Source: CVE-2018-7995