CVE Vulnerability

CVE-2021-39802

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

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://source.android.com/security/bulletin/2022-04-01 Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Information

Published : 2022-04-12 05:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-39802

Mitre link : CVE-2021-39802

Products Affected
No products.
CWE
CWE-863