CVE-2022-34398 HIGH

CVE-2022-34398

Vendor Dell
Product CPG BIOS
Weakness CWE-367
Published February 1, 2023
Last update March 26, 2025

CVSS base score

7.5/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system.

Key dates

02Disclosure timeline

February 1, 2023 CVE published
March 26, 2025 Record updated