CVE-2021-39642

In synchronous_process_io_entries of lwis_ioctl.c, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-195731663References: N/A

• CWE-362

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

Published

Dec 15, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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