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.
Published: 2022-02-03
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD 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.
History

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

Type Values Removed Values Added
References

Subscriptions

Insyde Insydeh2o
Siemens Simatic Field Pg M5 Simatic Field Pg M5 Firmware Simatic Field Pg M6 Simatic Field Pg M6 Firmware Simatic Ipc127e Simatic Ipc127e Firmware Simatic Ipc227g Simatic Ipc227g Firmware Simatic Ipc277g Simatic Ipc277g Firmware Simatic Ipc327g Simatic Ipc327g Firmware Simatic Ipc377g Simatic Ipc377g Firmware Simatic Ipc427e Simatic Ipc427e Firmware Simatic Ipc477e Simatic Ipc477e Firmware Simatic Ipc627e Simatic Ipc627e Firmware Simatic Ipc647e Simatic Ipc647e Firmware Simatic Ipc677e Simatic Ipc677e Firmware Simatic Ipc847e Simatic Ipc847e Firmware Simatic Itp1000 Simatic Itp1000 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T19:12:35.317Z

Reserved: 2021-10-01T00:00:00.000Z

Link: CVE-2021-41838

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-03T02:15:07.080

Modified: 2025-11-04T20:16:01.043

Link: CVE-2021-41838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses