CVE-2022-34325: High severity insyde h2o vulnerability
DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2022-34325.
What is the severity of CVE-2022-34325?
The severity of CVE-2022-34325 is high, with a severity value of 7.8.
What software is affected by CVE-2022-34325?
Insyde InsydeH2O software versions 5.2 to 5.5 are affected by CVE-2022-34325.
What is the risk associated with CVE-2022-34325?
CVE-2022-34325 could cause SMRAM corruption through a TOCTOU attack.
How can I mitigate CVE-2022-34325?
To mitigate CVE-2022-34325, it is recommended to follow the security guidelines provided by Insyde on their security pledge page.