CVE-2021-0945

Published Jun 15, 2023

Last updated a year ago

CVSS critical 9.8

Overview

Description: In _PMRCreate of the PowerVR kernel driver, a missing bounds check means it is possible to overwrite heap memory via PhysmemNewRamBackedPMR. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Source: security@android.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References