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CVE-2021-42554
Published: Feb 3, 2022
Modified: Nov 4, 2025
PUBLISHED
Description
An issue was discovered in Insyde InsydeH2O with Kernel 5.0 before 05.08.42, Kernel 5.1 before 05.16.42, Kernel 5.2 before 05.26.42, Kernel 5.3 before 05.35.42, Kernel 5.4 before 05.42.51, and Kernel 5.5 before 05.50.51. An SMM memory corruption vulnerability in FvbServicesRuntimeDxe allows a possible attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://www.insyde.com/security-pledge
x_refsource_MISC
https://www.insyde.com/security-pledge/SA-2022012
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220216-0007/
x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
x_refsource_CONFIRM
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