{"id":"CVE-2022-20561","aliases":["A-222162870","EUVD-2022-25821","GHSA-238g-8qm5-hgvf","PUB-A-222162870"],"status":"published","title":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This...","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222162870References: N/A","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0013,"percentile":0.0266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2022-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Pixel-family specific:2022-12-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2022-12-05"}]}],"versions":["Pixel-family specific"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2022-12-01","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-20561"},{"url":"https://github.com/advisories/GHSA-238g-8qm5-hgvf"},{"url":"https://source.android.com/security/bulletin/2022-12-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-20561","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222162870References: N/A","status":"published","published":"2022-12-16T00:00:00Z","modified":"2025-04-18T19:34:52.72Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:34:24.627322Z"}],"euvd":[{"id":"EUVD-2022-25821","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222162870References: N/A","status":"published","published":"2022-12-16T00:00:00Z","modified":"2025-04-18T19:34:52Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:19.650141Z"}],"ghsa":[{"id":"GHSA-238g-8qm5-hgvf","title":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This...","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222162870References: N/A","status":"published","published":"2022-12-21T00:30:29Z","modified":"2023-01-29T05:01:05Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:44:44.036588Z"}],"nvd":[{"id":"CVE-2022-20561","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222162870References: N/A","status":"published","published":"2022-12-16T16:15:19.24Z","modified":"2026-06-17T04:24:34.343Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:34.031641Z"}],"osv":[{"id":"PUB-A-222162870","description":"In TBD of aud_hal_tunnel.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-12-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:08.408541Z"}]}}