{"api_version":"1","generated_at":"2026-04-23T02:38:12+00:00","cve":"CVE-2021-0947","urls":{"html":"https://cve.report/CVE-2021-0947","api":"https://cve.report/api/cve/CVE-2021-0947.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-0947","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-0947"},"summary":{"title":"CVE-2021-0947","description":"The method PVRSRVBridgeTLDiscoverStreams allocates puiStreamsInt on the heap, fills the contents of the buffer via TLServerDiscoverStreamsKM, and then copies the buffer to userspace. The method TLServerDiscoverStreamsKM may fail for several reasons including invalid sizes. If this method fails the buffer will be left uninitialized and despite the error will still be copied to userspace. Kernel leak of uninitialized heap data with no privs required.Product: AndroidVersions: Android SoCAndroid ID: A-236838960","state":"PUBLIC","assigner":"security@android.com","published_at":"2022-08-24 14:15:00","updated_at":"2023-08-08 14:21:00"},"problem_types":["CWE-909"],"metrics":[],"references":[{"url":"https://source.android.com/security/bulletin/2022-08-01","name":"https://source.android.com/security/bulletin/2022-08-01","refsource":"MISC","tags":[],"title":"Android Security Bulletin—August 2022  |  Android Open Source Project","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-0947","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0947","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"947","vulnerable":"1","versionEndIncluding":"","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-2021-0947","qid":"610431","title":"Google Android September 2022 Security Patch Missing for Samsung"},{"cve":"CVE-2021-0947","qid":"610433","title":"Google Android Devices August 2022 Security Patch Missing"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-0947","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 SoC"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Information disclosure"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://source.android.com/security/bulletin/2022-08-01","url":"https://source.android.com/security/bulletin/2022-08-01"}]},"description":{"description_data":[{"lang":"eng","value":"The method PVRSRVBridgeTLDiscoverStreams allocates puiStreamsInt on the heap, fills the contents of the buffer via TLServerDiscoverStreamsKM, and then copies the buffer to userspace. The method TLServerDiscoverStreamsKM may fail for several reasons including invalid sizes. If this method fails the buffer will be left uninitialized and despite the error will still be copied to userspace. Kernel leak of uninitialized heap data with no privs required.Product: AndroidVersions: Android SoCAndroid ID: A-236838960"}]}},"nvd":{"publishedDate":"2022-08-24 14:15:00","lastModifiedDate":"2023-08-08 14:21:00","problem_types":["CWE-909"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"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":"2021","CveId":"947","Ordinal":"190649","Title":"CVE-2021-0947","CVE":"CVE-2021-0947","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"947","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}