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).
  • Firmware updates to address the Intel Security Advisory INTEL-SA-00320 (CVE-2020-0543).
  • Firmware updates to address the Intel Security Advisory INTEL-SA-00329 (CVE-2020-0548 and CVE-2020-0549).
  • Firmware updates to address the Intel Security Advisory INTEL-SA-00322 (CVE-2020-0528 and CVE-2020-0529).

Enhancements:

  • Updated the Power Delivery firmware.
  • Updated the Intel Rapid Storage Technology firmware.

This 1.9.1. system BIOS is available on Fedora 32 and can be installed using fwupdmgr.

[root@matht436 qemu]# fwupdmgr update
• Thunderbolt Controller has no available firmware updates
• SSDPEKKF512G8 NVMe INTEL 512GB has no available firmware updates
• System Firmware has the latest available firmware version
• Touchpad has no available firmware updates
[root@matht436 qemu]# fwupdmgr refresh
Fetching signature https://cdn.fwupd.org/downloads/firmware.xml.gz.jcat
Downloading…             [***************************************]
Fetching metadata https://cdn.fwupd.org/downloads/firmware-00657-stable.xml.gz
Downloading…             [***************************************]
Successfully downloaded new metadata: 1 local device supported
[root@matht436 qemu]# fwupdmgr update
• Thunderbolt Controller has no available firmware updates
• SSDPEKKF512G8 NVMe INTEL 512GB has no available firmware updates
Upgrade available for System Firmware from 1.7.4 to 1.9.1
Latitude 7400 must remain plugged into a power source for the duration of the update to avoid damage. Continue with update? [Y|n]: Y
ownloading 1.9.1 for System Firmware...
Fetching firmware https://fwupd.org/downloads/2927795cb8576e79bc8a5586ddac1480b5081c2a46f8cf75a16b765cd7e680e7-Latitude_7X00_1.9.1.cab
Downloading…             [***************************************] Less than one minute remaining…
Decompressing…           [***************************************]
Authenticating…          [***************************************]
Updating System Firmware…[            /                          ]
Scheduling…              [***************************************]
Successfully installed firmware
• Touchpad has no available firmware updates

An update requires a reboot to complete. Restart now? [y|N]: y

I’m going to reboot the machine as requested by the update.

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