CVE-2021-39640

—

CVSS 3.1

7.8 high

EPSS

<1%p1

Published

Dec 15, 2021 (Dec 15, 2021)

Modified

Jun 17, 2026

Description

In __dwc3_gadget_ep0_queue of ep0.c, there is a possible out of bounds write due to improper locking. 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-157294279References: N/A

Vendors: google
Products: android
Weakness: CWE-667
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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