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CVE-2022-35408 Details

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.)

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:8.2 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://binarly.io/advisories/BRLY-2022-022/index.html	CVE	ExploitThird Party Advisory
https://www.insyde.com/security-pledge	CVE	Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022031	CVE	Vendor Advisory
https://binarly.io/advisories/BRLY-2022-022/index.html	[email protected]	ExploitThird Party Advisory
https://www.insyde.com/security-pledge	[email protected]	Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022031	[email protected]	Vendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-123	Write-what-where Condition	CISA-ADP

Affected Products

Product	Versions
insyde insydeh2o	>= 5.1, < 5.17.38 >= 5.2, < 05.27.28 >= 5.3, < 05.36.28 >= 5.4, < 05.44.28 >= 5.5, < 05.52.28
CPE cpe:2.3:a:insyde:insydeh2o:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
May 27, 2025	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Sep 23, 2022	Initial Analysis	[email protected]