CVE-2022-34421: Buffer Overflow
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2022-34421?
CVE-2022-34421 has been classified as a medium severity vulnerability mainly due to its potential for arbitrary code execution and denial of service.
How do I fix CVE-2022-34421?
The issue can be mitigated by updating the affected Dell PowerEdge and Precision BIOS to the latest firmware version provided by Dell.
Which systems are impacted by CVE-2022-34421?
CVE-2022-34421 affects various models of Dell PowerEdge BIOS and Dell Precision BIOS versions up to 2.9.3.
What types of attacks can exploit CVE-2022-34421?
Exploitation of CVE-2022-34421 could allow a local malicious user with high privileges to execute arbitrary code or cause a denial of service.
Who should be concerned about CVE-2022-34421?
Organizations using affected Dell PowerEdge and Precision systems should prioritize addressing CVE-2022-34421 to prevent potential exploitation.