SB2024012225 - Fedora 38 update for grub2



SB2024012225 - Fedora 38 update for grub2

Published: January 22, 2024

Security Bulletin ID SB2024012225
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security features bypass (CVE-ID: CVE-2023-4001)

The vulnerability allows an attacker to bypass GRUB password protection feature.

The vulnerability exists due to an error in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker with physical access to the system can bypass the GRUB password protection feature on UEFI systems.


Remediation

Install update from vendor's website.