A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.
Created fwupd tracking bugs for this issue: Affects: fedora-all [bug 2120705]
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:2487 https://access.redhat.com/errata/RHSA-2023:2487
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-34302