CVE-2021-39649

In regmap_exit of regmap.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049006References: N/A

CVSS v3 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://source.android.com/security/bulletin/pixel/2021-12-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-12-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:19

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/pixel/2021-12-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/pixel/2021-12-01 - Patch, Vendor Advisory

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-416~~	CWE-667

Information

Published : 2021-12-15 19:15

Updated : 2024-11-21 06:19

NVD link : CVE-2021-39649

Mitre link : CVE-2021-39649

CVE.ORG link : CVE-2021-39649

JSON object : View

Products Affected

google

android

CWE

CWE-667

Improper Locking

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