---
id: CVE-2022-24031
title: >-
  An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1
  through 5.5
summary: >-
  An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1
  through 5.5. An SMM memory corruption vulnerability allows an attacker to
  write fixed or predictable data to SMRAM. Exploiting this issue could lead to
  escalati…
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: insyde
product: insydeh2o
affected:
  - 'insydeh2o >= 5.1, < 5.16.42'
  - 'insydeh2o >= 5.2, < 5.26.42'
  - 'insydeh2o >= 5.3, < 5.35.42'
  - 'insydeh2o >= 5.4, < 5.43.42'
  - 'insydeh2o >= 5.5, < 5.51.42'
patched:
  - insydeh2o 5.51.42
published: '2022-02-03'
updated: '2026-08-11'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-24031'
references:
  - url: 'https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf'
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20220216-0009/'
    label: cve@mitre.org
  - url: 'https://www.insyde.com/security-pledge'
    label: cve@mitre.org
  - url: 'https://www.insyde.com/security-pledge/SA-2022015'
    label: cve@mitre.org
  - url: 'https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20220216-0009/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.insyde.com/security-pledge'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.insyde.com/security-pledge/SA-2022015'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.kb.cert.org/vuls/id/796611'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-306654.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.00281
epssPercentile: 0.2081
ingestedAt: '2026-08-11T16:47:02.409Z'
---

## Overview

An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

## Affected

- `insydeh2o >= 5.1, < 5.16.42`
- `insydeh2o >= 5.2, < 5.26.42`
- `insydeh2o >= 5.3, < 5.35.42`
- `insydeh2o >= 5.4, < 5.43.42`
- `insydeh2o >= 5.5, < 5.51.42`

## Remediation

Upgrade past the affected range:

- `insydeh2o 5.51.42`