Vulnerability Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2O | >= 5.0, < 05.09.37 |
Related Weaknesses (CWE)
References
- https://binarly.io/advisories/BRLY-2022-026/index.htmlThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022035Vendor Advisory
- https://binarly.io/advisories/BRLY-2022-026/index.htmlThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022035Vendor Advisory
FAQ
What is CVE-2022-35893?
CVE-2022-35893 is a vulnerability with a CVSS score of 8.2 (HIGH). An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable dat...
How severe is CVE-2022-35893?
CVE-2022-35893 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-35893?
Check the references section above for vendor advisories and patch information. Affected products include: Insyde Insydeh2O.