In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-213339151References: Upstream kernel
Metrics
Affected Vendors & Products
References
Link | Providers |
---|---|
https://source.android.com/security/bulletin/2022-04-01 |
History
No history.
MITRE
Status: PUBLISHED
Assigner: google_android
Published: 2022-04-12T16:11:45
Updated: 2024-08-04T02:20:33.250Z
Reserved: 2021-08-23T00:00:00
Link: CVE-2021-39802
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2022-04-12T17:15:08.413
Modified: 2022-07-12T17:42:04.277
Link: CVE-2021-39802
Redhat
No data.