{"id":"CVE-2023-21163","aliases":["A-292003338","ASB-A-292003338","EUVD-2023-25331","GHSA-xh85-63vm-rw4g"],"status":"published","title":"There is elevation of privilege.","description":"In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00414,"percentile":0.35954,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-12-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-12-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-12-01","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21163"},{"url":"https://github.com/advisories/GHSA-xh85-63vm-rw4g"}],"sources":{"cve":[{"id":"CVE-2023-21163","description":"In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-12-04T22:40:46.838Z","modified":"2024-08-02T09:28:26.053Z","updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25331","description":"In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-12-04T22:40:46Z","modified":"2024-08-02T09:28:26Z","updated_at":"2026-11-03T03:50:08.95234Z"}],"ghsa":[{"id":"GHSA-xh85-63vm-rw4g","title":"There is elevation of privilege.","description":"There is elevation of privilege.","status":"published","published":"2023-12-05T00:31:07Z","modified":"2023-12-06T21:30:59Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:55:09.149913Z"}],"nvd":[{"id":"CVE-2023-21163","description":"In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-12-04T23:15:22.377Z","modified":"2026-06-17T05:31:58.903Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"updated_at":"2026-11-02T14:08:52.544469Z"}],"osv":[{"id":"ASB-A-292003338","description":"    In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due\n    to a use after free. This could lead to local escalation of privilege in the\n    kernel with no additional execution privileges needed. User interaction is\n    not needed for exploitation.","status":"published","published":"2023-12-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:15.258551Z"}]}}