← Database

CVE-2021-43522

HIGH CVSS: 7.5 Published: 2022-02-03 Modified: 2026-08-11

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Affected Platforms

Insyde Insydeh2O

Weakness Type

CWE-787

References