UEFI Firmware Vulnerability (Buffer Overflow) Affected Component: Lenovo UEFI Firmware (System Service) Severity: High (CVSS 7.5+) CVE ID: CVE-2022-34301

The error code indicates that one or more Machine Check Errors (MCE) occurred during the previous system boot. Typically seen on Dell PowerEdge servers, this is a general indicator that the processor detected a hardware issue—either within itself or in a connected component like memory or PCIe devices. Understanding the UEFI0078 Message

: In many cases, UEFI0078 appears alongside UEFI0079 , which points to uncorrectable memory errors in a specific DIMM slot.

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Indicates the error may be related to memory DIMMs. Potential Causes

: Outdated BIOS or iDRAC firmware can cause the CPU to misinterpret signals, leading to false-positive machine checks.