Multiple uninitialized kernel memory information disclosures in msm-compr-q6-v2.c (CVE-2016-6751)

Release Date:

November 30, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2016-00068-1

CVE ID(s):

CVE-2016-6751

Summary:

The following security vulnerabilities have been identified: CVE-2016-6751 While processing the SND_AUDIOCODEC_AC3 and SND_AUDIOCODEC_EAC3 ioctls, uninitialized kernel stack memory is disclosed to the user. This can be used for further attacks such as ASLR bypass.

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-2016-6751: https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm-3.18.git;a=commit;h=4907b74ecd5ef8c6d85f1b430f386e381d5b8229

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: