CVE-2022-35893

State: Published
Severity: 8.2 High
Published: Sep 23, 2022
Updated: May 5, 2025
Reserved: Jul 15, 2022

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Scores

CVSS	Score	Vector	Source
3.1	8.2 High	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022035
https://binarly.io/advisories/BRLY-2022-026/index.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.