An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Link | Tags |
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https://www.insyde.com/security-pledge | vendor advisory |
https://www.insyde.com/security-pledge/SA-2022034 | vendor advisory |
https://binarly.io/advisories/BRLY-2022-025/index.html | third party advisory exploit |