{"id":"CVE-2018-16888","details":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.","modified":"2026-04-02T00:55:40.534224Z","published":"2019-01-14T22:29:00.233Z","related":["CGA-w266-jp69-j7rp"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74%40%3Cuser.cassandra.apache.org%3E"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4269-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2091"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190307-0007/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/systemd/systemd","events":[{"introduced":"0"},{"fixed":"46659f7deb962f55c728e70597e37c2a3ab6326d"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"237"}]}}],"versions":["001","002","003","004","005","006","007","008","009","010","011","012","013","014","015","016","017","018","019","020","021","022","023","024","025","026","027","028","029","030","031","032","033","034","035","036","037","038","039","040","042","043","044","045","046","047","048","049","050","051","052","053","054","055","056","057","058","059","060","061","062","064","174","175","176","177","178","179","180","181","182","v1","v10","v11","v12","v13","v14","v15","v16","v17","v18","v183","v184","v185","v186","v187","v188","v189","v19","v190","v191","v192","v193","v194","v195","v196","v197","v198","v199","v2","v20","v200","v201","v202","v203","v204","v205","v206","v207","v208","v209","v21","v210","v211","v212","v213","v214","v215","v216","v217","v218","v219","v22","v220","v221","v222","v223","v224","v225","v226","v227","v228","v229","v23","v230","v231","v232","v233","v234","v235","v236","v24","v25","v26","v27","v28","v29","v3","v30","v31","v32","v33","v34","v35","v36","v37","v38","v39","v4","v40","v41","v42","v43","v44","v5","v6","v7","v8","v9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16888.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}