{"id":"CVE-2023-21216","aliases":["A-291999952","ASB-A-291999952","EUVD-2023-25384","GHSA-jqgq-x29j-jv5r"],"status":"published","title":"There is elevation of privilege.","description":"In PMRChangeSparseMemOSMem of physmem_osmem_linux.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":"2026-11-11","score":0.00398,"percentile":0.34503,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-276"],"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-2023-21216"},{"url":"https://github.com/advisories/GHSA-jqgq-x29j-jv5r"}],"sources":{"cve":[{"id":"CVE-2023-21216","description":"In PMRChangeSparseMemOSMem of physmem_osmem_linux.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":"2023-12-04T22:40:47.608Z","modified":"2025-05-29T13:49:46.575Z","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":"adp"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25384","description":"In PMRChangeSparseMemOSMem of physmem_osmem_linux.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":"2023-12-04T22:40:47Z","modified":"2025-05-29T13:49:46Z","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":"2026-11-02T20:32:35.823426Z"}],"ghsa":[{"id":"GHSA-jqgq-x29j-jv5r","title":"There is elevation of privilege.","description":"There is elevation of privilege.","status":"published","published":"2023-12-05T00:31:07Z","modified":"2025-05-29T15:32:09Z","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:02:30.221111Z"}],"nvd":[{"id":"CVE-2023-21216","description":"In PMRChangeSparseMemOSMem of physmem_osmem_linux.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":"2023-12-04T23:15:22.57Z","modified":"2026-06-17T05:32:05.98Z","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"},{"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":"secondary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:08:52.544469Z"}],"osv":[{"id":"ASB-A-291999952","description":"    In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible\n    arbitrary code execution due to a use after free. This could lead to local\n    escalation of privilege in the kernel with no additional execution\n    privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-12-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:05.865114Z"}]}}