This issue may allow an attacker to gain SYSTEM privileges on a target DMMC or MMC system. The Dell BIOS versions affected are the following: Dell recommends users to update their systems to the latest BIOS version. To update the BIOS, go to System > BIOS update and search for the latest version. To update the BIOS, go to System > BIOS update and search for the latest version.



Dell has released updated guidance for owners of 1, 2, and 3 year old XPS systems. To see the updated guidance, go to System > Security guidance for XPS,1, 2 and 3 year old systems. Dell has released updated guidance for owners of 1, 2, and 3 year old XPS systems. To see the updated guidance, go to System > Security guidance for XPS,1, 2 and 3 year old systems.




To see the updated guidance for XPS 9370 models with Intel processors, go to System > Security guidance for Intel processors. To see the updated guidance for XPS 9370 models with Intel processors, go to System > Security guidance for Intel processors. XPS 9370 Affected Systems: XPS 9370 with Intel processors and Windows 10. XPS 9370 with Intel processors and Windows 7. XPS 9370 with Intel processors and Windows 8. Dell has released updated guidance for owners of 1, 2, and 3 year old XPS systems. To see the updated guidance, go to System > Security guidance for X

Installing the BIOS update to recover from an attacker with SYSTEM privileges

An attacker with SYSTEM privileges may be able to cause the BIOS update process to fail, preventing the CPU from being updated. This may result in a target system with an unpatched CPU version that is vulnerable to CVE-2022-32484. This vulnerability is not exclusive to Dell systems and has been seen on machines with other vendors' BIOS.

Why is my system being updated?

Dell has released updated guidance for owners of 1, 2, and 3 year old XPS systems. To see the updated guidance, go to System > Security guidance for XPS,1, 2 and 3 year old systems. Dell has released updated guidance for owners of 1, 2, and 3 year old XPS systems. To see the updated guidance, go to System > Security guidance for XPS,1, 2 and 3 year old systems.
To see the updated guidance for XPS 9370 models with Intel processors, go to System > Security guidance for Intel processors. To see the updated guidance for XPS 9370 models with Intel processors, go to System > Security guidance for Intel processors.

Timeline

Published on: 10/12/2022 20:15:00 UTC
Last modified on: 10/14/2022 20:09:00 UTC

References