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Status published
High
CVE-2021-41837
An issue was discovered in AhciBusDxe in the kernel 5.0...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2022-35897
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Affected Vendor
insyde
View all reports →Affected Software
insydeh2o, simatic field pg m5 firmware, simatic field pg m6 firmware, simatic ipc127e firmware, simatic ipc227g firmware, simatic ipc277g firmware, simatic ipc327g firmware, simatic ipc377g firmware, simatic ipc427e firmware, simatic ipc477e firmware, simatic ipc627e firmware, simatic ipc647e firmware, simatic ipc677e firmware, simatic ipc847e firmware, simatic itp1000 firmware
Vulnerable Versions:
5.0, 5.1, 5.2, 5.3, 5.4, 5.5
Timeline
Official Publish:
February 3rd, 2022
Last Modified:
November 4th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.