Bug 2374926 (CVE-2024-11584)

Summary: CVE-2024-11584 cloud-init: Cloud init permissions handling flaw
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A default permissions flaw was found in cloud-init. The cloud-init-hotplugd.socket grants 0666 permissions, making it world-writable. This vulnerability allows an unprivileged user to trigger hotplug-hook commands.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2375025, 2375026    
Bug Blocks:    

Description OSIDB Bzimport 2025-06-26 10:01:46 UTC
cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666 permissions, making it world-writable. This being used for the "/run/cloud-init/hook-hotplug-cmd" FIFO. An unprivelege user could trigger hotplug-hook commands.