CVE-2020-5956
High
Description
An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.
SeverityHigh
CVSS7.5
Exploit probability—
ProductInsydeh2o
PublishedJan 5, 2022
First seenJan 5, 2022
How to fix
Update
- insyde insydeh2o5.25.11, 05.15.11, 05.34.11, 05.42.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde insydeh2o | 5.2 ≤ v < 5.25.11, 5.1 ≤ v < 05.15.11, 5.3 ≤ v < 05.34.11, 5.4 ≤ v < 05.42.11 | 5.25.11, 05.15.11, 05.34.11, 05.42.11 |
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