CVE-2021-41842 Information

Description

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46 5.1 before 05.16.46 5.2 before 05.26.46 5.3 before 05.35.46 5.4 before 05.43.46 and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.insyde.com/security-pledge https://security.netapp.com/advisory/ntap-20220223-0002/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8