CVEvulnerability

CVE-2022-20239

9.8 CRITICAL Published 2022-08-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-08-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
4.2 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
Weaknesses
CWE-269, CWE-610

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

Affected configurations

• google android

Related

Weakness · CWE (2)

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

References