SB2022092357 - Code execution in Insyde Kernel



SB2022092357 - Code execution in Insyde Kernel

Published: September 23, 2022 Updated: September 18, 2023

Security Bulletin ID SB2022092357
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2022-35893)

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in InsydeH2O in the FvbServicesRuntimeDxe driver. A local administrator can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.