Use-After-Free in Camera Driver (CVE-2016-3903)

Release Date:

October 3, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2016-00040-1

CVE ID(s):

CVE-2016-3903

Summary:

When invoking the VIDIOC_MSM_CSID_IO_CFG ioctl, if data transfer between user space and kernel space fails, a use-after-free can occur.

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-2016-3903: https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=b8874573428e8ce024f57c6242d662fcca5e5d55

Acknowledgement:

Qualcomm Innovation Center, Inc. (QuIC) thanks Seven Shen, Trend Micro Mobile Threat Research Team for reporting the related issues and working with QuIC to help improve Android device security.

Revisions:

Initial revision

Contact: