An issue was discovered in IdeBusDxe 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 status code saved at the CommBuffer+4 location).
References
| Link | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220216-0004/ | Third Party Advisory |
| https://www.insyde.com/security-pledge | Vendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220216-0004/ | Third Party Advisory |
| https://www.insyde.com/security-pledge | Vendor Advisory |
| https://www.kb.cert.org/vuls/id/796611 |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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Configuration 5 (hide)
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History
04 Nov 2025, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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21 Nov 2024, 06:33
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf - Third Party Advisory | |
| References | () https://security.netapp.com/advisory/ntap-20220216-0004/ - Third Party Advisory | |
| References | () https://www.insyde.com/security-pledge - Vendor Advisory |
Information
Published : 2022-01-05 23:15
Updated : 2025-11-04 20:16
NVD link : CVE-2021-45970
Mitre link : CVE-2021-45970
CVE.ORG link : CVE-2021-45970
JSON object : View
Products Affected
insyde
- insydeh2o
CWE
CWE-787
Out-of-bounds Write