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CVE-2024-40431

HIGH
8.8
CVSS Score
Published: October 23, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 07:45 AM UTC
1 product affected across 1 vendorSD Card Reader Driver

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SD Card Reader Driver· Realtek
60%
v < 10.0.26100.21374
Affected range stops below 10.0.26100.21374, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://zwclose.github.io/2024/10/14/rtsper1.html

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED

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