{"api_version":"1","generated_at":"2026-04-22T23:20:15+00:00","cve":"CVE-2015-3170","urls":{"html":"https://cve.report/CVE-2015-3170","api":"https://cve.report/api/cve/CVE-2015-3170.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2015-3170","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3170"},"summary":{"title":"CVE-2015-3170","description":"selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2017-07-21 14:29:00","updated_at":"2017-07-26 20:03:00"},"problem_types":["CWE-254"],"metrics":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1218672","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1218672","refsource":"CONFIRM","tags":["Issue Tracking"],"title":"1218672 – (CVE-2015-3170) CVE-2015-3170 selinux-policy: policy package update causes denial of service","mime":"text/html","httpstatus":"200","archivestatus":"503"},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-3170","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3170","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2015","cve_id":"3170","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"selinux_project","cpe5":"selinux","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"3170","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"selinux_project","cpe5":"selinux","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2015-3170","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_affected":"=","version_value":"n/a"}]}}]}}]}},"references":{"reference_data":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1218672","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1218672"}]}},"nvd":{"publishedDate":"2017-07-21 14:29:00","lastModifiedDate":"2017-07-26 20:03:00","problem_types":["CWE-254"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:P","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:selinux_project:selinux:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2015","CveId":"3170","Ordinal":"80123","Title":"CVE-2015-3170","CVE":"CVE-2015-3170","Year":"2015"},"notes":[{"CveYear":"2015","CveId":"3170","Ordinal":"1","NoteData":"selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy.","Type":"Description","Title":null},{"CveYear":"2015","CveId":"3170","Ordinal":"2","NoteData":"2017-07-21","Type":"Other","Title":"Published"},{"CveYear":"2015","CveId":"3170","Ordinal":"3","NoteData":"2017-07-21","Type":"Other","Title":"Modified"}]}}}