vulnerability

Oracle Linux: CVE-2022-34302: ELSA-2023-2487: fwupd security and bug fix update (MODERATE)

Severity
6
CVSS
(AV:L/AC:M/Au:M/C:C/I:C/A:C)
Published
Aug 11, 2022
Added
May 19, 2023
Modified
Dec 3, 2025

Description

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.

Solutions

oracle-linux-upgrade-fwupdoracle-linux-upgrade-fwupd-develoracle-linux-upgrade-fwupd-plugin-flashrom
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.