'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-233154555
References
Link | Resource |
---|---|
https://source.android.com/security/bulletin/2022-07-01 | Patch Vendor Advisory |
Configurations
Information
Published : 2022-07-13 12:15
Updated : 2022-07-26 04:10
NVD link : CVE-2022-20238
Mitre link : CVE-2022-20238
JSON object : View
CWE
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
Products Affected
- android