'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
Metrics
Affected Vendors & Products
References
Link | Providers |
---|---|
https://source.android.com/security/bulletin/2022-07-01 |
History
No history.
MITRE
Status: PUBLISHED
Assigner: google_android
Published: 2022-07-13T18:23:46
Updated: 2024-08-03T02:02:31.007Z
Reserved: 2021-10-14T00:00:00
Link: CVE-2022-20238
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2022-07-13T19:15:09.570
Modified: 2022-07-26T11:10:15.080
Link: CVE-2022-20238
Redhat
No data.