{"id":"CVE-2021-39629","aliases":["A-197353344","ASB-A-197353344","EUVD-2021-25986","GHSA-4f47-65f7-v2g8"],"status":"published","title":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a...","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00096,"percentile":0.00657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362","CWE-416"],"published":"2022-01-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/hardware/nxp/nfc","fixed_in":["9:2022-01-01","10:2022-01-01","11:2022-01-01","12:2022-01-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/hardware/nxp/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2022-01-01"}]}],"versions":["9"]},{"source":"osv","ecosystem":"Android","package":"platform/hardware/nxp/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2022-01-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/hardware/nxp/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2022-01-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/hardware/nxp/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-01-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2022-01-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39629"},{"url":"https://github.com/advisories/GHSA-4f47-65f7-v2g8"},{"url":"https://android.googlesource.com/platform/hardware/nxp/nfc/+/63162916491d3ad034e0288fb2e254cf2b66db92","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-39629","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344","status":"published","published":"2022-01-14T19:11:03Z","modified":"2024-08-04T02:13:37.332Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-25986","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344","status":"published","published":"2022-01-14T19:11:03Z","modified":"2024-08-04T02:13:37Z","updated_at":"2026-11-03T03:24:22.709283Z"}],"ghsa":[{"id":"GHSA-4f47-65f7-v2g8","title":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a...","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344","status":"published","published":"2022-01-15T00:01:22Z","modified":"2023-02-03T05:04:51Z","cwes":["CWE-362"],"updated_at":"2026-11-02T14:53:38.162905Z"}],"nvd":[{"id":"CVE-2021-39629","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344","status":"published","published":"2022-01-14T20:15:11.067Z","modified":"2026-06-17T04:03:54.58Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-362","CWE-416"],"updated_at":"2026-11-02T14:07:03.821385Z"}],"osv":[{"id":"ASB-A-197353344","description":"In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-01-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:14.774652Z"}]}}