Vulnerability · Published Feb 1, 2023 · Assigned by dell
CVE-2022-34398
High 7.5
In plain English
A high-severity security flaw in CPG BIOS from Dell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 94.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://www.dell.com/support/kbdoc/000206038 vendor-advisory