Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device. https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6462