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Buffer over-read in AUDIO_GET_CALIBRATION ioctl (CVE-2016-3860)

Release Date:

October 3, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:


CVE ID(s):



The following security vulnerabilities have been identified: CVE-2016-3860 In the AUDIO_GET_CALIBRATION ioctl the size used to allocate the internal buffer is not checked against the header and cal type header sizes to make sure that copy_to_user is not called with a size larger than the source buffer. If it is, an over-read occurs.

Access Vector: Local
Security Risk: Medium
Access Vector: Local

Affected Versions:

All Android releases from CAF using the Linux kernel.


We advise customers to apply the following patches:

Individual Patches


This issue was reported to Google by an external security researcher. Qualcomm Innovation Center, Inc. (QuIC) thanks Google for bringing this issue to QuIC's attention.


Initial revision