CVE-2016-3935

HIGH

Qualcomm cryptographic engine driver - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-3935. PoCs published by codecat007.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2016-3935, a vulnerability in the Qualcomm crypto driver in the Android kernel. The exploit leverages an integer overflow in the `qcedev_sha_op_req` structure to trigger a buffer overflow via the `QCEDEV_IOCTL_SHA_UPDATE_REQ` ioctl command.

Description

Multiple integer overflows in drivers/crypto/msm/qcedev.c in the Qualcomm cryptographic engine driver in Android before 2016-10-05 on Nexus 5X, Nexus 6, Nexus 6P, and Android One devices allow attackers to gain privileges via a crafted application, aka Android internal bug 29999665 and Qualcomm internal bug CR 1046507.

Exploits (1)

github WORKING POC 8 stars
by codecat007 · cpoc
https://github.com/codecat007/cvehub/tree/main/android/kernel/cve-2016-3935

This repository contains a functional proof-of-concept exploit for CVE-2016-3935, a vulnerability in the Qualcomm crypto driver in the Android kernel. The exploit leverages an integer overflow in the `qcedev_sha_op_req` structure to trigger a buffer overflow via the `QCEDEV_IOCTL_SHA_UPDATE_REQ` ioctl command.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android kernel (Qualcomm crypto driver) on devices like Nexus 6P (6.0.1)
No auth needed
Prerequisites: Access to the `/dev/qce` device node · Compiled binary with appropriate permissions
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93327

Scores

CVSS v3 7.8
EPSS 0.0007
EPSS Percentile 22.0%
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-190
Status published
Products (1)
google/android < 7.0
Published Oct 10, 2016
Tracked Since Feb 18, 2026