{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T01:34:48.165","vulnerabilities":[{"cve":{"id":"CVE-2021-1048","sourceIdentifier":"security@android.com","published":"2021-12-15T19:15:14.917","lastModified":"2025-10-23T14:53:12.583","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: Upstream kernel"},{"lang":"es","value":"En la función ep_loop_check_proc del archivo eventpoll.c, se presenta una posible forma de corromper la memoria debido a un uso de memoria previamente liberada. Esto podría conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android. Versiones: Android kernel. ID de Android: A-204573007. Referencias: Kernel ascendente"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"cisaExploitAdd":"2022-05-23","cisaActionDue":"2022-06-13","cisaRequiredAction":"Apply updates per vendor instructions.","cisaVulnerabilityName":"Android Kernel Use-After-Free Vulnerability","weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:google:android:-:*:*:*:*:*:*:*","matchCriteriaId":"F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}]}]}],"references":[{"url":"https://source.android.com/security/bulletin/2021-11-01","source":"security@android.com","tags":["Patch","Vendor Advisory"]},{"url":"https://source.android.com/security/bulletin/2021-11-01","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1048","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Third Party Advisory","US Government Resource"]}]}}]}