Possible Kernel Buffer Overflow in MSM Sound Driver (qdsp6v2) at Function msm_dolby_dap_param_to_set_control_put (CVE-2016-5867)

Release Date:

April 17, 2017

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2017- 00021-1

CVE ID(s):

CVE-2016-5867

Summary:

The following security vulnerabilities have been identified: CVE-2016-5867 Variables "offset" and "length" in msm_dolby_dap_param_to_set_control_put are from userspace. Values can be chosen for these that could result in stack overflow.

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-2016-5867:

• https://source.codeaurora.org/quic/la//kernel/msm-3.10/commit/?id=8db70aafea51b60dbe9faaba5707be0046758521
• https://source.codeaurora.org/quic/la//kernel/msm-3.18/commit/?id=065360da7147003aed8f59782b7652d565f56be5
• https://source.codeaurora.org/quic/la//kernel/msm-4.4/commit/?id=5e3dd3f21b44424405a009ba676df52322d9e7cf

Acknowledgement:

Qualcomm Innovation Center, Inc. (QuIC) thanks Seven Shen (Trend Micro Mobile Threat Research Team) for bringing this issue to QuIC’s attention.

Revisions:

Initial revision

Contact: