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CVE-2021-41838
Published: Feb 3, 2022
Modified: Nov 4, 2025
PUBLISHED
Description
An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://www.insyde.com/security-pledge
x_refsource_MISC
https://www.insyde.com/security-pledge/SA-2022023
x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20220222-0001/
x_refsource_CONFIRM
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