SB2023050123 - Privilege escalation in Dell PowerEdge T30/T40
Published: May 1, 2023
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-2022-34398)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system using a specifically timed DMA transaction during an SMI.
Remediation
Install update from vendor's website.