{"schemaVersion":3,"id":"CVE-2021-30315","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper handling of sensor HAL structure in absence of sensor can lead to use after free in Snapdragon Auto","dates":{"published":"2021-10-20T06:31:53.000Z","modified":"2024-08-03T22:32:41.076Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.4,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.4,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.2,"severity":"high","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0016,"percentile":0.04745,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.0016},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0016,"percentile":0.04745}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0016,"percentile":0.04745}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-416","name":"Use After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"qualcomm, inc.","product":"snapdragon auto","name":"Snapdragon Auto","label":"snapdragon auto","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"MDM9628, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, SA6155, SA6155P, SA8150P, SA8155, SA8155P, SA8195P","noFixRecorded":false,"fixedIn":null}],"versionsText":"MDM9628, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, SA6155, SA6155P, SA8150P, SA8155, SA8155P, SA8195P","eol":null,"hubHref":"/vendor/qualcomm_inc/snapdragon_auto"},{"vendor":"qualcomm","product":"mdm9628_firmware","name":"mdm9628 firmware","label":"mdm9628_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/mdm9628"},{"vendor":"qualcomm","product":"qca6564a_firmware","name":"qca6564a firmware","label":"qca6564a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6564a"},{"vendor":"qualcomm","product":"qca6564au_firmware","name":"qca6564au firmware","label":"qca6564au_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6564au"},{"vendor":"qualcomm","product":"qca6574_firmware","name":"qca6574 firmware","label":"qca6574_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6574"},{"vendor":"qualcomm","product":"qca6574a_firmware","name":"qca6574a firmware","label":"qca6574a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6574a"},{"vendor":"qualcomm","product":"qca6574au_firmware","name":"qca6574au firmware","label":"qca6574au_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6574au"},{"vendor":"qualcomm","product":"qca6595_firmware","name":"qca6595 firmware","label":"qca6595_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6595"},{"vendor":"qualcomm","product":"qca6595au_firmware","name":"qca6595au firmware","label":"qca6595au_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6595au"},{"vendor":"qualcomm","product":"qca6696_firmware","name":"qca6696 firmware","label":"qca6696_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/qca6696"},{"vendor":"qualcomm","product":"sa6155_firmware","name":"sa6155 firmware","label":"sa6155_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa6155"},{"vendor":"qualcomm","product":"sa6155p_firmware","name":"sa6155p firmware","label":"sa6155p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa6155p"},{"vendor":"qualcomm","product":"sa8150p_firmware","name":"sa8150p firmware","label":"sa8150p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa8150p"},{"vendor":"qualcomm","product":"sa8155_firmware","name":"sa8155 firmware","label":"sa8155_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa8155"},{"vendor":"qualcomm","product":"sa8155p_firmware","name":"sa8155p firmware","label":"sa8155p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa8155p"},{"vendor":"qualcomm","product":"sa8195p_firmware","name":"sa8195p firmware","label":"sa8195p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/qualcomm/sa8195p"}],"affectedCount":16,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin","label":"www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin","hostname":"www.qualcomm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-10-20T06:31:53.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T22:32:41.076Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T17:46:00.524Z","stale":false,"partial":false}}