{"id":"CVE-2021-0876","aliases":["A-270400229","ASB-A-270400229","EUVD-2021-3495","GHSA-84gj-xh42-wp59"],"status":"published","title":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check...","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270400229","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":0.00091,"percentile":0.00457,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2023-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-04-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-04-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-04-01","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0876"},{"url":"https://github.com/advisories/GHSA-84gj-xh42-wp59"}],"sources":{"cve":[{"id":"CVE-2021-0876","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270400229","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T20:16:58.903Z","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-190"],"updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3495","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270400229","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T20:16:58Z","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":"2026-11-03T00:04:04.235223Z"}],"ghsa":[{"id":"GHSA-84gj-xh42-wp59","title":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check...","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270400229","status":"published","published":"2023-04-19T21:30:26Z","modified":"2024-04-04T03:35:33Z","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-190"],"updated_at":"2026-11-02T14:56:16.439649Z"}],"nvd":[{"id":"CVE-2021-0876","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270400229","status":"published","published":"2023-04-19T20:15:10.453Z","modified":"2026-06-17T03:30:36.12Z","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-190"],"updated_at":"2026-11-02T14:07:07.764332Z"}],"osv":[{"id":"ASB-A-270400229","description":"In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-04-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:05.865114Z"}]}}