CVE-2022-34398

Summary

CVE-2022-34398 refers to a Time-of-check Time-of-use (TOCTTOU) vulnerability present in Dell BIOS. An authenticated attacker can exploit this issue by executing a DMA transaction during a System Management Interrupt (SMI) at a specific moment in time. By doing so, the attacker may gain arbitrary code execution on the affected system. This vulnerability poses a significant risk and requires immediate attention from system administrators, as it can potentially lead to serious security breaches. Dell has released updates to address this issue, and it is recommended that users install these patches promptly to mitigate the risk.

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