CVE-2021-1048

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: 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/2021-11-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2021-11-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:43

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2021-11-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2021-11-01 - Patch, Vendor Advisory

Information

Published : 2021-12-15 19:15

Updated : 2025-04-04 13:05

NVD link : CVE-2021-1048

Mitre link : CVE-2021-1048

CVE.ORG link : CVE-2021-1048

JSON object : View

Products Affected

google

android

CWE

CWE-416

Use After Free

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