Back to search
CVE-2021-33625
Published: Feb 3, 2022
Modified: Nov 4, 2025
PUBLISHED
Description
An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
| 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-2022014
x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20220222-0004/
x_refsource_CONFIRM
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now