An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Project Subscriptions
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Insyde
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Insydeh2o
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Siemens
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-28838 | An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM. |
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: 2025-11-04T19:12:34.238Z
Reserved: 2021-10-01T00:00:00.000Z
Link: CVE-2021-41837
No data.
Status : Modified
Published: 2022-02-03T02:15:07.033
Modified: 2025-11-04T20:16:00.877
Link: CVE-2021-41837
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD