CVE-2022-34403

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter to gain arbitrary code execution in SMRAM.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 1, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-344046.0Dell System Update, version 2.0.0 and earlier, contains an Improper Certificate Validation in data parser module. A local attacker with highCVE-2022-344057.3An improper access control vulnerability was identified in the Realtek audio driver. A local authenticated malicious user may potentially exCVE-2022-344066.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344076.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344086.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344096.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-34414.8The Rock Convert WordPress plugin before 2.11.0 does not sanitise and escape some of its settings, which could allow high privilege users suCVE-2022-344106.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344116.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344126.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344136.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user CVE-2022-344146.7Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user
CVE-2022-34403: High severity, CVSS 8.8 | Vulnix