CVE-2022-24351

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-16 · updated 2026-06-17
Weakness: CWE-367

Description

TOCTOU race-condition vulnerability in Insyde InsydeH2O with Kernel 5.2 before version 05.27.29, Kernel 5.3 before version 05.36.29, Kernel 5.4 version before 05.44.13, and Kernel 5.5 before version 05.52.13 allows an attacker to alter data and code used by the remainder of the boot process.

Affected products

Insydeh2O: from 5.2 before 5.2.05.27.29; from 5.3 before 5.3.05.36.29; from 5.4 before 5.4.05.44.13; from 5.5 before 5.5.05.52.13 — fixed in 5.2.05.27.29, 5.3.05.36.29, 5.4.05.44.13, 5.5.05.52.13

How to fix

Upgrade to a fixed version: Insydeh2O 5.2.05.27.29, 5.3.05.36.29, 5.4.05.44.13, 5.5.05.52.13. Check the vendor advisory for mitigations.

References

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