{"schemaVersion":3,"id":"CVE-2016-8637","aliases":["MGASA-2016-0387","SUSE-SU-2017:0641-1","SUSE-SU-2017:0951-1","SUSE-SU-2017:2696-1","UBUNTU-CVE-2016-8637","DEBIAN-CVE-2016-8637"],"status":"published","duplicateOf":null,"title":null,"description":"A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.","dates":{"published":"2018-08-01T13:00:00.000Z","modified":"2024-08-06T02:27:41.222Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.8,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":7.8,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true}]},"epss":{"probability":0.00309,"percentile":0.22299,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00309},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00321,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00309,"percentile":0.22299}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00321,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00309,"percentile":0.22299}]},"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":[{"id":"REF_71BB90BCEC43C197","name":"Exploit Reference (bugzilla.redhat.com)","source":"reference","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_302951ACBB96DF99","name":"Exploit Reference (seclists.org)","source":"reference","url":"http://seclists.org/oss-sec/2016/q4/352","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-732","name":"Incorrect Permission Assignment for Critical Resource","description":"The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/732.html"},{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"debian","product":"dracut","name":"dracut","label":"dracut","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/dracut","purlType":"deb","versions":[{"text":"< 044+189-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044+189-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"dracut","name":"dracut","label":"dracut","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/dracut","purlType":"deb","versions":[{"text":"< 044+3-3ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044+3-3ubuntu0.1~esm1","eol":null,"hubHref":null},{"vendor":"dracut_project","product":"dracut","name":"dracut","label":"dracut","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 045","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 045","eol":null,"hubHref":"/vendor/dracut_project/dracut"},{"vendor":"mageia","product":"dracut","name":"dracut","label":"dracut","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/dracut","purlType":"rpm","versions":[{"text":"< 038-21.1.mga5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 038-21.1.mga5","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Desktop 12 SP1","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Desktop 12 SP1","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Desktop 12 SP1","purlType":"rpm","versions":[{"text":"< 037-91.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 037-91.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Desktop 12 SP2","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Desktop 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Desktop 12 SP2","purlType":"rpm","versions":[{"text":"< 044-108.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044-108.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server 12 SP1","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server 12 SP1","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server 12 SP1","purlType":"rpm","versions":[{"text":"< 037-91.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 037-91.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server 12 SP2","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server 12 SP2","purlType":"rpm","versions":[{"text":"< 044-108.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044-108.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server 12-LTSS","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server 12-LTSS","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server 12-LTSS","purlType":"rpm","versions":[{"text":"< 037-51.31.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 037-51.31.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","purlType":"rpm","versions":[{"text":"< 044-108.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044-108.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1","purlType":"rpm","versions":[{"text":"< 037-91.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 037-91.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","name":"dracut","label":"dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dracut&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","purlType":"rpm","versions":[{"text":"< 044-108.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 044-108.1","eol":null,"hubHref":null},{"vendor":"the dracut project","product":"dracut","name":"dracut","label":"dracut","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"045","noFixRecorded":false,"fixedIn":null}],"versionsText":"045","eol":null,"hubHref":"/vendor/the_dracut_project/dracut"}],"affectedCount":13,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637","label":"bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4","label":"github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4","hostname":"github.com","tags":["X Refsource CONFIRM","Patch","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/94128","label":"www.securityfocus.com/bid/94128","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://seclists.org/oss-sec/2016/q4/352","label":"seclists.org/oss-sec/2016/q4/352","hostname":"seclists.org","tags":["Mailing List","X Refsource MLIST","Exploit","Third Party Advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0387.html","label":"advisories.mageia.org/MGASA-2016-0387.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=19731","label":"bugs.mageia.org/show_bug.cgi?id=19731","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2VA7LTNATN2EKBHSSHB35W5AXITXVLG6/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20170641-1/","label":"www.suse.com/support/update/announcement/2017/suse-su-20170641-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1005410","label":"bugzilla.suse.com/1005410","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1006118","label":"bugzilla.suse.com/1006118","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1007925","label":"bugzilla.suse.com/1007925","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1008340","label":"bugzilla.suse.com/1008340","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1017695","label":"bugzilla.suse.com/1017695","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/986734","label":"bugzilla.suse.com/986734","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/986838","label":"bugzilla.suse.com/986838","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8637","label":"www.suse.com/security/cve/CVE-2016-8637","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20170951-1/","label":"www.suse.com/support/update/announcement/2017/suse-su-20170951-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1008648","label":"bugzilla.suse.com/1008648","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1017141","label":"bugzilla.suse.com/1017141","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1019938","label":"bugzilla.suse.com/1019938","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1020063","label":"bugzilla.suse.com/1020063","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1021687","label":"bugzilla.suse.com/1021687","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/902375","label":"bugzilla.suse.com/902375","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20172696-1/","label":"www.suse.com/support/update/announcement/2017/suse-su-20172696-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1032576","label":"bugzilla.suse.com/1032576","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1035743","label":"bugzilla.suse.com/1035743","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/935320","label":"bugzilla.suse.com/935320","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/959803","label":"bugzilla.suse.com/959803","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-8637","label":"ubuntu.com/security/CVE-2016-8637","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-8637","label":"www.cve.org/CVERecord?id=CVE-2016-8637","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-8828-1","label":"ubuntu.com/security/notices/USN-8828-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-8637","label":"security-tracker.debian.org/tracker/CVE-2016-8637","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2024:10225-1","USN-8828-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:10225-1","USN-8828-1"]},"timeline":[{"kind":"published","date":"2018-08-01T13:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T02:27:41.222Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":41,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:24:44.536Z","stale":false,"partial":false}}