Description
An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).
Published: 2022-01-05
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-32675 An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).
History

Tue, 04 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Subscriptions

Insyde Insydeh2o
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T19:12:47.447Z

Reserved: 2022-01-01T00:00:00.000Z

Link: CVE-2021-45969

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-01-05T23:15:08.833

Modified: 2025-11-04T20:16:02.680

Link: CVE-2021-45969

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses