CVE-2021-41842
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductInsydeh2o
PublishedJan 6, 2022
First seenJan 6, 2022
How to fix
Update
- insyde insydeh2o05.08.46, 05.16.46, 05.26.46, 05.35.46, 05.43.46, 05.51.45 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde insydeh2o | 5.0 ≤ v < 05.08.46, 5.1 ≤ v < 05.16.46, 5.2 ≤ v < 05.26.46, 5.3 ≤ v < 05.35.46, 5.4 < v < 05.43.46, 5.5 ≤ v < 05.51.45 | 05.08.46, 05.16.46, 05.26.46, 05.35.46, 05.43.46, 05.51.45 |
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