{"schemaVersion":3,"id":"UBUNTU-CVE-2018-14656","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.","dates":{"published":"2018-10-08T22:29:00.000Z","modified":"2026-02-04T03:13:51.916Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","computed":true,"selection":"version-preference"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":4.6,"impact":6,"computed":true}]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"linux-flo","name":"linux-flo","label":"linux-flo","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-flo","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-goldfish","name":"linux-goldfish","label":"linux-goldfish","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-goldfish","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-mako","name":"linux-mako","label":"linux-mako","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-mako","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/CVE-2018-14656","label":"ubuntu.com/security/CVE-2018-14656","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.openwall.com/lists/oss-security/2018/10/04/1","label":"www.openwall.com/lists/oss-security/2018/10/04/1","hostname":"www.openwall.com","tags":["REPORT"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1650","label":"bugs.chromium.org/p/project-zero/issues/detail?id=1650","hostname":"bugs.chromium.org","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14656","label":"www.cve.org/CVERecord?id=CVE-2018-14656","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2018-14656"]},"timeline":[{"kind":"published","date":"2018-10-08T22:29:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T03:13:51.916Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T11:37:33.481Z","stale":false,"partial":false}}