CVE-2021-39793

In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. 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-210470189References: 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/2022-03-01	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

23 Mar 2022, 19:25

Type	Values Removed	Values Added
CPE		cpe:2.3:o:google:android:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
First Time		Google Google android
CWE		CWE-787
References	~~(MISC) https://source.android.com/security/bulletin/pixel/2022-03-01 -~~	(MISC) https://source.android.com/security/bulletin/pixel/2022-03-01 - Vendor Advisory

16 Mar 2022, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-16 15:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-39793

Mitre link : CVE-2021-39793

CVE.ORG link : CVE-2021-39793

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

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