CVE-2022-34398
- State
- Published
- Severity
- 7.5 High
- Published
- Feb 1, 2023
- Updated
- Mar 26, 2025
- Reserved
- Jun 23, 2022
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H | dell |
Weaknesses
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products
| Product | Versions |
|---|---|
CPG BIOSDell |
|
References
- https://www.dell.com/support/kbdoc/000206038vendor-advisory
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