CVE-2022-41218

MEDIUM

Linux kernel <5.19.10 - Use After Free

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-41218. PoCs published by Tobey123.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2022-41218, a use-after-free vulnerability in the Linux kernel's DVB subsystem. The exploit demonstrates memory corruption via userfaultfd and thread synchronization to achieve arbitrary write primitives.

Description

In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.

Exploits (1)

nomisec WORKING POC
by Tobey123 · poc
https://github.com/Tobey123/CVE-2022-41218

This repository contains a proof-of-concept exploit for CVE-2022-41218, a use-after-free vulnerability in the Linux kernel's DVB subsystem. The exploit demonstrates memory corruption via userfaultfd and thread synchronization to achieve arbitrary write primitives.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Racy
Target: Linux kernel (specific versions affected by CVE-2022-41218)
No auth needed
Prerequisites: Linux system with vulnerable kernel · DVB device or simulated environment · User namespace or root access for setup
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 5.5
EPSS 0.0045
EPSS Percentile 64.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (2)
debian/debian_linux 11.0
linux/linux_kernel < 5.19.10
Published Sep 21, 2022
Tracked Since Feb 18, 2026