SB2022020309 - Privilege escalation in Insyde Int15ServiceSmm driver
Published: February 3, 2022
Security Bulletin ID
SB2022020309
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42060)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the 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.