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CVE-2024-40431

HighPublished

A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the...

Published: Oct 23, 2024
Updated: Oct 24, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.3%

Low · next 30 days

Percentile: 68.1%
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 lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.

Sources

CVE-2024-40431-CVE-2022-25479-EOP-CHAINExploit
CVE-2024-40431+CVE-2022-25479 chain for EOP(DATA ONLY ATTACK)
CVE-2022-25477PoC
CVE Realtek SD card reader. CVE-2022-25477, CVE-2022-25478, CVE-2022-25479, CVE-2022-25480, CVE-2024-40432, CVE-2024-40431

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