CVE-2021-39682

In mgm_alloc_page of memory_group_manager.c, there is a possible out of bounds write due to an incorrect bounds 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-201677538References: N/A

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/pixel/2022-01-01	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

20 Jan 2022, 14:56

Type	Values Removed	Values Added
First Time		Google Google android
CWE		CWE-787
References	~~(MISC) https://source.android.com/security/bulletin/pixel/2022-01-01 -~~	(MISC) https://source.android.com/security/bulletin/pixel/2022-01-01 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
CPE		cpe:2.3:o:google:android:-:::::::*

14 Jan 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-01-14 20:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-39682

Mitre link : CVE-2021-39682

CVE.ORG link : CVE-2021-39682

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

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