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Vulnerability Intelligence

CVE-2021-39685 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-39685

CVE-2021-39685

HIGH7.8

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check

Published Mar 16, 2022

Modified 1 years ago

Details

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

References

WEBhttps://source.android.com/security/bulletin/2022-03-01 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-39685

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedMar 16, 2022

ModifiedAug 4, 2024