SB2022020312 - Privilege escalation in Insyde AhciBusDxe driver



SB2022020312 - Privilege escalation in Insyde AhciBusDxe driver

Published: February 3, 2022

Security Bulletin ID SB2022020312
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-24069)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to SMM callout issue. A remote attacker can hijack execution flow of a code running in System Management Mode and escalate privileges.


Remediation

Install update from vendor's website.