{"id":"CVE-2022-20158","state":"PUBLISHED","title":"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 executio","description":"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","publishedAt":"2022-08-11T14:58:17.000Z","updatedAt":"2025-12-17T22:16:23.207Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"google_android","products":["n/a Android"],"affected":[{"vendor":"n/a","product":"Android","versions":[{"version":"Android kernel","status":"affected"}]}],"references":["https://source.android.com/security/bulletin/pixel/2022-08-01"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:49:32.184Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/20xxx/CVE-2022-20158.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-20158","state":"PUBLISHED","datePublished":"2022-08-11T14:58:17.000Z","dateUpdated":"2025-12-17T22:16:23.207Z","assignerShortName":"google_android","assignerOrgId":"baff130e-b8d5-4e15-b3d3-c3cf5d5545c6","dateReserved":"2021-10-14T00:00:00.000Z"},"containers":{"cna":{"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"}],"affected":[{"vendor":"n/a","product":"Android","versions":[{"version":"Android kernel","status":"affected"}]}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2022-08-01","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Elevation of privilege","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"google_android","dateUpdated":"2022-08-11T14:58:17.000Z","orgId":"baff130e-b8d5-4e15-b3d3-c3cf5d5545c6"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@android.com","ID":"CVE-2022-20158","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Android","version":{"version_data":[{"version_value":"Android kernel"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Elevation of privilege"}]}]},"references":{"reference_data":[{"name":"https://source.android.com/security/bulletin/pixel/2022-08-01","refsource":"MISC","url":"https://source.android.com/security/bulletin/pixel/2022-08-01"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://source.android.com/security/bulletin/pixel/2022-08-01","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T02:02:30.919Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-11-18T16:40:05.612003Z","id":"CVE-2022-20158","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-17T22:16:23.207Z"}}]}}}