Race condition vulnerability in synchronous_process_io_entries of lwis_ioctl.c in Android kernel allows local attackers to escalate privileges and execute arbitrary code with system privileges.

CVE-2021-39642 · MEDIUM Severity

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

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

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