CVE Vulnerabilities

CVE-2022-26859

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

Published: Sep 06, 2022 | Modified: Nov 21, 2024
CVSS 3.x
7
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.

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_r6_firmware Dell * 1.8.0 (excluding)

Potential Mitigations

References