High severity7.8NVD Advisory· Published Dec 15, 2021· Updated Jun 17, 2026
CVE-2021-39640
CVE-2021-39640
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
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Affected products
3- Android/Android kerneldescription
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/pixel/2021-12-01nvdPatchVendor Advisory
News mentions
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