An issue was discovered in SdHostDriver 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 (CommBufferData).
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2022-01-05T23:09:47
Updated: 2024-08-04T04:54:31.209Z
Reserved: 2022-01-01T00:00:00
Link: CVE-2021-45971
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-01-06T00:15:07.910
Modified: 2024-11-21T06:33:24.260
Link: CVE-2021-45971
Redhat
No data.