CVE-2022-24069

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.0 before 05.08.41, 5.1 before 05.16.29, 5.2 before 05.26.29, 5.3 before 05.35.29, 5.4 before 05.43.29, and 5.5 before 05.51.29. An SMM callout vulnerability allows an attacker to hijack the execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.

What this means for your business

It affects Insydeh2o. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it only with access to the machine itself, with an administrator login, and without anyone at your company clicking anything.
FIRST's prediction model gives it a 0.3% chance of attack attempts being seen in the next 30 days, ranking above 22% of all known flaws.

What to do

1Check whether your company or your suppliers run Insydeh2o, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

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Scoring

CVSS: 8.2 (v3.1)
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Assigned by: cve@mitre.org

Dates

Published: 2022-02-03
Last modified: 2026-08-11
Sources: NVD

Affected products

Insyde Insydeh2o5.1 - 5.16.29, 5.2 - 5.26.29, 5.3 - 5.35.29, 5.0 - 5.08.29, 5.4 - 5.43.29, 5.5 - 5.51.29

As listed in the NVD configuration data. Not a statement about your estate.