SB20250716132 - Red Hat Enterprise Linux 8 update for cloud-init



SB20250716132 - Red Hat Enterprise Linux 8 update for cloud-init

Published: July 16, 2025

Security Bulletin ID SB20250716132
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2024-6174)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists in the way the application identified the boot data source. An attacker can create a rogue service on the local network to impersonate an openstack endpoint and provide root-configuration data to cloud-init on instance launch leading to a security backdoor to root during system boot.


Remediation

Install update from vendor's website.