{"api_version":"1","generated_at":"2026-04-23T04:10:28+00:00","cve":"CVE-2020-0466","urls":{"html":"https://cve.report/CVE-2020-0466","api":"https://cve.report/api/cve/CVE-2020-0466.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-0466","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-0466"},"summary":{"title":"CVE-2020-0466","description":"In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel","state":"PUBLIC","assigner":"security@android.com","published_at":"2020-12-14 22:15:00","updated_at":"2020-12-15 17:29:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://source.android.com/security/bulletin/2020-12-01","name":"https://source.android.com/security/bulletin/2020-12-01","refsource":"MISC","tags":["Patch","Vendor Advisory"],"title":"Android Security Bulletin—December 2020  |  Android Open Source Project","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-0466","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0466","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"466","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"466","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-0466","qid":"159144","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2021-1093)"},{"cve":"CVE-2020-0466","qid":"159175","title":"Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9215)"},{"cve":"CVE-2020-0466","qid":"159664","title":"Oracle Enterprise Linux Security Update for kernel security and bug fix update (ELSA-2022-0620)"},{"cve":"CVE-2020-0466","qid":"160089","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2022-9781)"},{"cve":"CVE-2020-0466","qid":"160755","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2023-12527)"},{"cve":"CVE-2020-0466","qid":"198328","title":"Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-4912-1)"},{"cve":"CVE-2020-0466","qid":"239202","title":"Red Hat Update for kernel (RHSA-2021:1093)"},{"cve":"CVE-2020-0466","qid":"239204","title":"Red Hat Update for kernel-rt (RHSA-2021:1081)"},{"cve":"CVE-2020-0466","qid":"239349","title":"Red Hat Update for kernel (RHSA-2021:2106)"},{"cve":"CVE-2020-0466","qid":"239351","title":"Red Hat Update for kpatch-patch (RHSA-2021:2099)"},{"cve":"CVE-2020-0466","qid":"239374","title":"Red Hat Update for kernel (RHSA-2021:2185)"},{"cve":"CVE-2020-0466","qid":"239380","title":"Red Hat Update for kpatch-patch (RHSA-2021:2167)"},{"cve":"CVE-2020-0466","qid":"239453","title":"Red Hat Update for kernel-rt (RHSA-2021:2190)"},{"cve":"CVE-2020-0466","qid":"240093","title":"Red Hat Update for kpatch-patch (RHSA-2022:0592)"},{"cve":"CVE-2020-0466","qid":"240096","title":"Red Hat Update for kernel-rt (RHSA-2022:0622)"},{"cve":"CVE-2020-0466","qid":"240115","title":"Red Hat Update for kernel (RHSA-2022:0620)"},{"cve":"CVE-2020-0466","qid":"240419","title":"Red Hat Update for kpatch-patch (RHSA-2022:0533)"},{"cve":"CVE-2020-0466","qid":"240448","title":"Red Hat Update for kpatch-patch (RHSA-2022:0718)"},{"cve":"CVE-2020-0466","qid":"257155","title":"CentOS Security Update for kernel (CESA-2022:0620)"},{"cve":"CVE-2020-0466","qid":"353100","title":"Amazon Linux Security Advisory for kernel : ALAC2012-2021-024"},{"cve":"CVE-2020-0466","qid":"353101","title":"Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025"},{"cve":"CVE-2020-0466","qid":"353102","title":"Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026"},{"cve":"CVE-2020-0466","qid":"390225","title":"Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0016)"},{"cve":"CVE-2020-0466","qid":"670269","title":"EulerOS Security Update for kernel (EulerOS-SA-2021-1808)"},{"cve":"CVE-2020-0466","qid":"670320","title":"EulerOS Security Update for kernel (EulerOS-SA-2021-1904)"},{"cve":"CVE-2020-0466","qid":"670634","title":"EulerOS Security Update for kernel (EulerOS-SA-2021-2392)"},{"cve":"CVE-2020-0466","qid":"750376","title":"OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)"},{"cve":"CVE-2020-0466","qid":"750428","title":"OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0075-1)"},{"cve":"CVE-2020-0466","qid":"750434","title":"OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0060-1)"},{"cve":"CVE-2020-0466","qid":"940387","title":"AlmaLinux Security Update for kernel (ALSA-2021:1093)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2020-0466","ASSIGNER":"security@android.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"Android","version":{"version_data":[{"version_value":"Android kernel"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Elevation of privilege"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://source.android.com/security/bulletin/2020-12-01","url":"https://source.android.com/security/bulletin/2020-12-01"}]},"description":{"description_data":[{"lang":"eng","value":"In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel"}]}},"nvd":{"publishedDate":"2020-12-14 22:15:00","lastModifiedDate":"2020-12-15 17:29:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/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:google:android:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"466","Ordinal":"158531","Title":"CVE-2020-0466","CVE":"CVE-2020-0466","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"466","Ordinal":"1","NoteData":"In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel","Type":"Description","Title":null},{"CveYear":"2020","CveId":"466","Ordinal":"2","NoteData":"2020-12-14","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"466","Ordinal":"3","NoteData":"2020-12-14","Type":"Other","Title":"Modified"}]}}}