CVE Daily

CVE-2022-36338

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM ...

High CVSS 8.2

Overview

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.

CWE: N/A Published: 2022-09-23T18:15:10.803
Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 8.2 (HIGH)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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