CVE-2022-32475
First published: Wed Feb 15 2023(Updated: )
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Insyde InsydeH2O | >=5.0<5.2.05.27.27 | |
| Insyde InsydeH2O | >=5.3<5.3.05.36.27 | |
| Insyde InsydeH2O | >=5.4<5.4.05.44.27 | |
| Insyde InsydeH2O | >=5.5<5.5.05.52.27 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-32475.
What is the severity of CVE-2022-32475?
CVE-2022-32475 has a severity rating of high.
How does CVE-2022-32475 affect the Insyde InsydeH2O software?
CVE-2022-32475 affects the Insyde InsydeH2O software versions 5.0 through 5.5.
What is the impact of CVE-2022-32475?
CVE-2022-32475 can lead to corruption of SMRAM and escalation of privileges.
How can CVE-2022-32475 be fixed?
The issue has been fixed in the kernel of Insyde InsydeH2O software.
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