CVE-2022-35893

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

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

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