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):
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