CVE-2016-6742

HIGH

Android < 7.0 - Elevation of Privilege in Synaptics Touchscreen Driver

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-6742. PoCs published by codecat007.

AI-analyzed exploit summary The PoC demonstrates a heap overflow vulnerability in the Android kernel by manipulating the imagesize and store_image_file sysfs entries, leading to potential privilege escalation. It writes a large buffer to a kernel heap object that was allocated with a smaller size, causing memory corruption.

Description

An elevation of privilege vulnerability in the Synaptics touchscreen driver in Android before 2016-11-05 could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process. Android ID: A-30799828.

Exploits (1)

github WORKING POC 8 stars
by codecat007 · cpoc
https://github.com/codecat007/cvehub/tree/main/android/kernel/CVE-2016-6742

The PoC demonstrates a heap overflow vulnerability in the Android kernel by manipulating the imagesize and store_image_file sysfs entries, leading to potential privilege escalation. It writes a large buffer to a kernel heap object that was allocated with a smaller size, causing memory corruption.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android kernel (tested on Nexus 5X with fingerprint google/bullhead/bullhead:6.0.1/MTC19Z/2996059)
No auth needed
Prerequisites: Access to the target device's sysfs entries · Kernel version vulnerable to CVE-2016-6742
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94131
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2016-11-01.html

Scores

CVSS v3 7.8
EPSS 0.0006
EPSS Percentile 20.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-264
Status published
Products (2)
google/android < 7.0
Google Inc./Android Kernel-3.10
Published Nov 25, 2016
Tracked Since Feb 18, 2026