CVE-2023-21163

Published Dec 4, 2023

Last updated a year ago

CVSS critical 9.8

Overview

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.
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