Possible kernel pointer leak in KGSL debug messages (CVE-2016-6749)

Release Date:

February 3, 2017

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2017-00003-1

CVE ID(s):

CVE-2016-6749

Summary:

The following security vulnerabilities have been identified: CVE-2016- 6749 The format specifier %p used in debug messages can leak kernel addresses while not valuing the kptr_restrict system settings.

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- 6749: https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm-3.10.git;a=commit;h=aff982f224d45a7faf7ad4e74633d1a8510a1c04

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

Contact: