CVE-2016-3857

HIGH

Android <2016-08-05 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-3857. PoCs published by codecat007.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2016-3857, targeting a kernel vulnerability in the `sys_oabi_epoll_wait` function on Nexus 7 (2013) devices running Android 5.1.1 (LMY48T). The exploit leverages arbitrary kernel write to achieve local privilege escalation (LPE) by manipulating the `ptmx_fops` structure and disabling SELinux.

Description

The kernel in Android before 2016-08-05 on Nexus 7 (2013) devices allows attackers to gain privileges via a crafted application, aka internal bug 28522518.

Exploits (1)

github WORKING POC 8 stars
by codecat007 · cpoc
https://github.com/codecat007/cvehub/tree/main/android/kernel/EXP-CVE-2016-3857

This repository contains a functional exploit for CVE-2016-3857, targeting a kernel vulnerability in the `sys_oabi_epoll_wait` function on Nexus 7 (2013) devices running Android 5.1.1 (LMY48T). The exploit leverages arbitrary kernel write to achieve local privilege escalation (LPE) by manipulating the `ptmx_fops` structure and disabling SELinux.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Android Kernel (Nexus 7 2013, LMY48T)
No auth needed
Prerequisites: Nexus 7 (2013) with Android 5.1.1 (LMY48T) · Kernel symbols matching the target device
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
http://source.android.com/security/bulletin/2016-08-01.html

Scores

CVSS v3 7.8
EPSS 0.0013
EPSS Percentile 32.1%
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 (1)
google/android < 6.0.1
Published Aug 05, 2016
Tracked Since Feb 18, 2026