CVE-2021-41842

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 Version 3.1
CVSS Version 2.0

nvd
CVE ID: CVE-2021-41842
Base Score: 9.8
Base Severity: CRITICAL
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9

nvd
CVE ID: CVE-2021-41842
Base Score: 7.5
Base Severity: HIGH
Vector String:AV:N/AC:L/Au:N/C:P/I:P/A:P

Refrence: NVD

Description​

Description