CVE-2021-39685

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. 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-210292376References: Upstream kernel

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

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

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2022-03-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2022-03-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2022-03-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2022-03-01 - Patch, Vendor Advisory

Information

Published : 2022-03-16 15:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39685

Mitre link : CVE-2021-39685

CVE.ORG link : CVE-2021-39685

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

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