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.
Project Subscriptions
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Insyde
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Insydeh2o
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-28839 | 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. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 04 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2025-11-04T19:12:35.317Z
Reserved: 2021-10-01T00:00:00.000Z
Link: CVE-2021-41838
No data.
Status : Modified
Published: 2022-02-03T02:15:07.080
Modified: 2025-11-04T20:16:01.043
Link: CVE-2021-41838
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD