Integer Overflow Vulnerability in lwis_ioctl.c and lwis_periodic_io.c Allows for Local Privilege Escalation

CVE-2021-39736 · MEDIUM Severity

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

In prepare_io_entry and prepare_response of lwis_ioctl.c and lwis_periodic_io.c, there is a possible out of bounds write due to an integer overflow. 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-205995773References: N/A

Learn more about our Cis Benchmark Audit For Google Android.