CVE-2022-35893

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.

Score

CVSS 3.1 8.2 High

Status

Modified - cve@mitre.org

Published

2022-09-23

Last modified

2025-05-05

Weaknesses

CWE-20

Affected products

• Insydeh2o (Insyde)

References

• https://binarly.io/advisories/BRLY-2022-026/index.html
• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2022035