Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2O | >= 5.0, < 5.2.05.27.27 |
Related Weaknesses (CWE)
References
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023007Vendor Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023007Vendor Advisory
FAQ
What is CVE-2022-32475?
CVE-2022-32475 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 ...
How severe is CVE-2022-32475?
CVE-2022-32475 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-32475?
Check the references section above for vendor advisories and patch information. Affected products include: Insyde Insydeh2O.