CVE-2022-20239

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

Score

CVSS 3.1 9.8 Critical

Status

Modified - security@android.com

Published

2022-08-10

Last modified

2025-10-20

Weaknesses

CWE-269, CWE-610

Affected products

• Android (Google)

References

• https://source.android.com/security/bulletin/2022-08-01