Stack-Based Buffer Overflow in Power DebugFS File (CVE-2016-3868)

Release Date:

October 3, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2016-00039-1

CVE ID(s):

CVE-2016-3868

Summary:

If a space-delimited list of integers with more than three elements is written to /sys/kernel/debug/msm_core/ptable, a buffer overflow occurs. CVE-2016-3868

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-2016-3868: https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=17014696ce3836c91215b6d6dd82f3befd6e7d4d

Acknowledgement:

Qualcomm Innovation Center, Inc. (QuIC) thanks Google for bringing this issue to our attention. This issue was reported to Google through the Android Security Rewards program.

Revisions:

Initial

Contact: