CVE-2021-42060
High
Description
An issue was discovered in Insyde InsydeH2O Kernel 5.0 through 05.08.41, Kernel 5.1 through 05.16.41, Kernel 5.2 before 05.23.22, and Kernel 5.3 before 05.32.22. An Int15ServiceSmm SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
SeverityHigh
CVSS8.2
Exploit probability—
ProductInsydeh2o
PublishedFeb 3, 2022
First seenFeb 3, 2022
How to fix
Update
- insyde insydeh2o5.23.35, 5.32.35, 5.16.42, 05.08.49 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde insydeh2o | 5.2 ≤ v < 5.23.35, 5.3 ≤ v < 5.32.35, 5.1 ≤ v < 5.16.42, 5.0 ≤ v < 05.08.49 | 5.23.35, 5.32.35, 5.16.42, 05.08.49 |
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