CVE-2019-16746

CRITICAL

Linux kernel <5.2.17 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-16746. PoCs published by uthrasri.

AI-analyzed exploit summary The repository contains functional exploit code for CVE-2019-16746, targeting a vulnerability in the Linux kernel's nl80211 wireless configuration interface. The code includes modifications to handle netlink-based wireless configurations, potentially allowing privilege escalation or denial of service.

Description

An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.

Exploits (1)

nomisec WORKING POC
by uthrasri · poc
https://github.com/uthrasri/CVE-2019-16746

The repository contains functional exploit code for CVE-2019-16746, targeting a vulnerability in the Linux kernel's nl80211 wireless configuration interface. The code includes modifications to handle netlink-based wireless configurations, potentially allowing privilege escalation or denial of service.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel (specific versions affected by CVE-2019-16746)
No auth needed
Prerequisites: Access to a vulnerable Linux system with wireless capabilities
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (14)

Core 14
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Nov/11
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4183-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4186-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4209-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4210-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuApr2021.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://marc.info/?l=linux-wireless&m=156901391225058&w=2
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191031-0005/

Scores

CVSS v3 9.8
EPSS 0.1265
EPSS Percentile 95.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-120
Status published
Products (8)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.04
canonical/ubuntu_linux 19.10
debian/debian_linux 8.0
fedoraproject/fedora 30
linux/linux_kernel 2.6.25 - 3.16.79
opensuse/leap 15.1
Published Sep 24, 2019
Tracked Since Feb 18, 2026