{"api_version":"1","generated_at":"2026-07-23T09:41:54+00:00","cve":"CVE-2019-3896","urls":{"html":"https://cve.report/CVE-2019-3896","api":"https://cve.report/api/cve/CVE-2019-3896.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-3896","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-3896"},"summary":{"title":"CVE-2019-3896","description":"A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2019-06-19 00:15:00","updated_at":"2023-02-12 23:38:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2019:1490","name":"https://access.redhat.com/errata/RHSA-2019:1490","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:1489","name":"https://access.redhat.com/errata/RHSA-2019:1489","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:1488","name":"https://access.redhat.com/errata/RHSA-2019:1488","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2019-3896","name":"https://access.redhat.com/security/cve/CVE-2019-3896","refsource":"MISC","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/108814","name":"108814","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Malformed Request","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1694812","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1694812","refsource":"MISC","tags":[],"title":"1694812 – (CVE-2019-3896) CVE-2019-3896 kernel: Double free in lib/idr.c","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.netapp.com/advisory/ntap-20190710-0002/","name":"https://security.netapp.com/advisory/ntap-20190710-0002/","refsource":"CONFIRM","tags":[],"title":"June 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896","refsource":"CONFIRM","tags":["Issue Tracking","Third Party Advisory"],"title":"1694812 – (CVE-2019-3896) CVE-2019-3896 kernel: Double free in lib/idr.c","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.f5.com/csp/article/K04327111","name":"https://support.f5.com/csp/article/K04327111","refsource":"CONFIRM","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-3896","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3896","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"2.6.39.4","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"6.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"6.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"6.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"6.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"3896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"6.0","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-2019-3896","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-416","cweId":"CWE-416"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"The Linux Foundation","product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_affected":"=","version_value":"2.6.32"}]}}]}}]}},"references":{"reference_data":[{"url":"https://security.netapp.com/advisory/ntap-20190710-0002/","refsource":"MISC","name":"https://security.netapp.com/advisory/ntap-20190710-0002/"},{"url":"http://www.securityfocus.com/bid/108814","refsource":"MISC","name":"http://www.securityfocus.com/bid/108814"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896"},{"url":"https://support.f5.com/csp/article/K04327111","refsource":"MISC","name":"https://support.f5.com/csp/article/K04327111"}]},"impact":{"cvss":[{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}]}},"nvd":{"publishedDate":"2019-06-19 00:15:00","lastModifiedDate":"2023-02-12 23:38:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.2},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"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:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.0","versionEndIncluding":"2.6.39.4","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"3896","Ordinal":"141505","Title":"CVE-2019-3896","CVE":"CVE-2019-3896","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"3896","Ordinal":"1","NoteData":"A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).","Type":"Description","Title":null},{"CveYear":"2019","CveId":"3896","Ordinal":"2","NoteData":"2019-06-18","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"3896","Ordinal":"3","NoteData":"2019-07-10","Type":"Other","Title":"Modified"}]}}}