Bug 2272951 (CVE-2024-31420)

Summary: CVE-2024-31420 cnv: DoS through repeatedly calling vm-dump-metrics until virt handler crashes
Product: [Other] Security Response Reporter: Zack Miele <zmiele>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dkenigsb, fdeutsch, oramraz, smullick
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: cnv 4.15.0 Doc Type: ---
Doc Text:
A NULL pointer dereference flaw was found in KubeVirt. This flaw allows an attacker who has access to a virtual machine guest on a node with DownwardMetrics enabled to cause a denial of service by issuing a high number of calls to vm-dump-metrics --virtio and then deleting the virtual machine.
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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:    
Bug Blocks: 2270471    

Description Zack Miele 2024-04-03 13:04:43 UTC
The issue is a Denial-of-Service through repeatedly calling vm-dump-metrics until virt handler crashes (and is not able to recover on its own)