CVE-2022-34406
Description
Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Dell PowerEdge and Precision BIOS contain an improper SMM communication buffer verification vulnerability allowing local high-privilege attackers to achieve arbitrary code execution or denial of service.
Vulnerability
The vulnerability is an Improper SMM communication buffer verification in Dell PowerEdge BIOS and Dell Precision BIOS. Affected versions are not explicitly listed in the available reference [1], but the issue is addressed in Dell advisory DSA-2022-204.
Exploitation
A local attacker with high privileges can exploit this vulnerability by manipulating System Management Interrupts (SMIs) to trigger the improper buffer verification, potentially leading to arbitrary code execution within SMM [1].
Impact
Successful exploitation allows arbitrary code execution in System Management Mode (SMM) with high privileges, possibly leading to full system compromise. The CVSS score of 7.5 indicates high impact on confidentiality, integrity, and availability [1].
Mitigation
Dell has released advisory DSA-2022-204 addressing this vulnerability. Users are advised to update their BIOS to the latest version provided by Dell. Specific fixed versions are not detailed in the available reference [1].
AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
3- Range: 14G,15G
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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