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Dell just released a new BIOS firmware of the Latitude 7400 series. This firmware was released on 23 Nov 2020. Fixes: Modified the default settings of the Intel Rapid Storage Technology driver. Firmware updates to address the Intel Technical Advisory INTEL-TA-00391 (CVE-2020-8753, CVE-2020-8745, CVE-2020-8705, CVE-2020-8757, CVE-2020-8756, CVE-2020-8760, CVE-2020-8751, CVE-2020-8754, CVE-2020-8747, CVE-2020-8746, CVE-2020-8749 CVE-2020-8752, CVE-2020-12303, CVE-2020-12355, and CVE-2020-12356). Firmware updates to address the Intel Security Advisory INTEL-SA-00358 (CVE-2020-0587, CVE-2020-0591, CVE-2020-0592, and CVE-2020-0593)....

Just found out that Dell just released the a new firmware, 1.10.1, for the Latitude 7400 series. This firmeware was released since 10 Sep 2020. Fixes: Firmware updates to address the Intel Technical Advisory INTEL-TA-00404 (CVE-2020-8758). Fixed the issue where an error message stating Key Mapping for Console Redirection BIOS is displayed before the Dell logo screen, Enhancements: Updated the Embedded Controller Engine firmware. I’m running Fedora 32 on this laptop....

Update BIOS firmware version 1.9.1 is available for Dell Latitude 7400. This firmware was released on 30 June 2020. It is marked Urgent and contains the following fixes and enhancements: Fixes: Fixed the issue where the system cannot detect the Intel Software Guard Extensions (SGX) device when SGX is enabled. Firmware updates to address security advisory INTEL-SA-00295 (CVE-2020-0531, CVE-2020-0532, CVE-2020-0533, CVE-2020-0535, CVE-2020-0536, CVE-2020-0537, CVE-2020-0538, CVE-2020-0539, CVE-2020-0540, CVE-2020-0545, CVE-2020-0594, CVE-2020-0595, CVE-2020-0596, and CVE-2020-8674)....

Dell released a new BIOS firmware version 1.7.4 for the Latitude 7300 and 7400 on May 22, 2020. This release is again marked Urgent and contains the following fixes and enhancements: Fixes: Firmware updated to address CVE-2020-5363 Enhancements: Updated the Embedded Controller Engine Firmware This version 1.7.4 is already available on Fedora 32 via fwupdmgr tool. [root@matht436 ~]# fwupdmgr refresh Fetching signature https://cdn.fwupd.org/downloads/firmware.xml.gz.jcat Downloading… [***************************************] Fetching metadata https://cdn.fwupd.org/downloads/firmware-00558-stable.xml.gz Downloading… [***************************************] Successfully downloaded new metadata: 1 local device supported [root@matht436 ~]# fwupdmgr update • Thunderbolt Controller has no available firmware updates • SSDPEKKF512G8 NVMe INTEL 512GB has no available firmware updates Upgrade available for System Firmware from 1....

Dell just released a new system BIOS version 1.7.3 on April 8 for Dell Latitude 7400. This release is marked as Urgent, and comes with the following fixes and enhancements: Fixes: Fixed the issue where the Type-C port works from BIOS Boot Menu with external USB port disabled. Fixed the issue that there is no user interface for wireless connection in BIOS Connect cloud SOS interface. Fixed the issue where the system stops responding on Dell logo when SMM Security mitigation and Secure Boot is enabled....