SB20221115111 - Time-of-check Time-of-use (TOCTOU) Race Condition in Insyde Kernel
Published: November 15, 2022 Updated: September 18, 2023
Security Bulletin ID
SB20221115111
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-30283)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in UsbCoreDxe. A local administrator can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.