VULNERABILITY INTELLIGENCE

CVE-2022-20239

CVSS score9.8 CRITICAL
EPSS probability0.30%
CISA KEVNot currently listed
Published2022-08-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploitedProduct: AndroidVersions: Android SoCAndroid ID: A-233972091

Weakness classification

  • CWE-269: Improper Privilege Management
  • CWE-610: Externally Controlled Reference to a Resource in Another Sphere

Primary references