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CVE-2024-12227

MediumPublished

MSI Dragon Center IOCTL NTIOLib_X64.sys MmUnMapIoSpace null pointer dereference

Published: Dec 5, 2024
Updated: Dec 5, 2024
Assigning CNA: VulDB
Evidence observed: Aug 15, 2026

Primary CVSS

6.8/ 10Medium

nvd · CVSS 4.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 8.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A vulnerability, which was classified as problematic, was found in MSI Dragon Center up to 2.0.146.0. This affects the function MmUnMapIoSpace in the library NTIOLib_X64.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. Upgrading to version 2.0.148.0 is able to address this issue. It is recommended to upgrade the affected component.

Sources

POC-CVE-2024-12227PoC
# CVE-2024-12227 - NTIOLib_X64.sys DoS PoC

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