CVE-2022-35408 - CVE House
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Status published Unknown CVE-2022-35408

An issue was discovered in Insyde InsydeH2O with kernel 5.0...

Vulnerability Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFI_BOOT_SERVICES table before the USB SMI handler triggers. (This is not exploitable from code running in the operating system.)

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

insydeh2o
Vulnerable Versions:
5.1, 5.2, 5.3, 5.4, 5.5, 5.0

Timeline

Official Publish: September 22nd, 2022
Last Modified: May 27th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.