CVE Vulnerabilities

CVE-2023-28075

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Aug 16, 2023 | Modified: Nov 21, 2024
CVSS 3.x
6.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated malicious user with physical access to the system could potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI in order to gain arbitrary code execution on the system.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Alienware_m15_r7_firmware Dell * 1.18.0 (excluding)

Potential Mitigations

References