CVEvulnerability

CVE-2021-41842

9.8 CRITICAL Published 2022-01-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-01-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Affected configurations

• insyde insydeh2o (>= 5.0 < 05.08.46) • insyde insydeh2o (>= 5.1 < 05.16.46) • insyde insydeh2o (>= 5.2 < 05.26.46) • insyde insydeh2o (>= 5.3 < 05.35.46) • insyde insydeh2o (> 5.4 < 05.43.46) • insyde insydeh2o (>= 5.5 < 05.51.45)

References