SB2023050123 - Privilege escalation in Dell PowerEdge T30/T40



SB2023050123 - Privilege escalation in Dell PowerEdge T30/T40

Published: May 1, 2023

Security Bulletin ID SB2023050123
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • 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.