SB2023091908 - Multiple vulnerabilities in Insyde Kernel



SB2023091908 - Multiple vulnerabilities in Insyde Kernel

Published: September 19, 2023

Security Bulletin ID SB2023091908
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2022-35894)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due memory leak in SMM driver (SMRAM read) in InsydeH2O. A local administrator can force the application to leak memory and gain access to sensitive information on the target system.


2) Memory leak (CVE-ID: CVE-2022-35896)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due memory leak in SMM driver (SMRAM read) in InsydeH2O. A local administrator can force the application to leak memory and gain access to sensitive information on the target system.


3) Out-of-bounds write (CVE-ID: CVE-2022-35895)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in SMM driver (SMRAM write) in InsydeH2O. A local administrator can trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.