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:

QCIR-2016-00036-1

CVE ID(s):

CVE-2016-3860

Summary:

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.

Patch:

We advise customers to apply the following patches:

Individual Patches

• CVE-2016-3860: https://source.codeaurora.org/quic/la//kernel/msm-3.18/commit/?id=d2e10c2b2c2b339ec4ebf62e79c11d854c89eb00

Acknowledgement:

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.

Revisions:

Initial revision

Contact: