CVE-2023-40084

HIGH

Android - Use-After-Free in MDnsSdListener.cpp

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-40084. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains functional BPF (eBPF) exploit code targeting CVE-2023-40084, a vulnerability in Android's netd component. The code includes BPF programs for NAT64 translation and network statistics, demonstrating the vulnerability in the context of packet processing.

Description

In run of MDnsSdListener.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/platform_system_netd_AOSP10_r33_CVE-2023-40084

This repository contains functional BPF (eBPF) exploit code targeting CVE-2023-40084, a vulnerability in Android's netd component. The code includes BPF programs for NAT64 translation and network statistics, demonstrating the vulnerability in the context of packet processing.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Android netd (AOSP 10 r33)
No auth needed
Prerequisites: Access to a vulnerable Android device with netd running · Ability to load BPF programs
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.8
EPSS 0.0020
EPSS Percentile 9.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (5)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
google/android 14.0
Published Dec 04, 2023
Tracked Since Feb 18, 2026