{"affected":[{"affectedData":[{"product":"Android","vendor":"n/a","versions":[{"status":"affected","version":"Android kernel"}]}],"source":"security@android.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:google:android:-:*:*:*:*:*:*:*","matchCriteriaId":"F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"In bdi_put and bdi_unregister of backing-dev.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-182815710References: Upstream kernel"},{"lang":"es","value":"En la función bdi_put y bdi_unregister del archivo backing-dev.c, se presenta una posible corrupción de memoria debido a un uso de memoria previamente liberada. Esto podría conllevar a una escalada local de privilegios con los privilegios de ejecución System requeridos. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android kernel, ID de Android: A-182815710, Referencias: Kernel ascendente"}],"id":"CVE-2022-20158","lastModified":"2026-06-17T04:23:47.080","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":0.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":0.8,"impactScore":5.9,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2022-20158","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2025-11-18T16:40:05.612003Z","version":"2.0.3"}}]},"published":"2022-08-11T15:15:09.757","references":[{"source":"security@android.com","tags":["Patch","Vendor Advisory"],"url":"https://source.android.com/security/bulletin/pixel/2022-08-01"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://source.android.com/security/bulletin/pixel/2022-08-01"}],"sourceIdentifier":"security@android.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-416"}],"source":"nvd@nist.gov","type":"Primary"},{"description":[{"lang":"en","value":"CWE-416"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]}