Bug 2489379 (CVE-2026-46448)

Summary: CVE-2026-46448 openstack-nova: OpenStack Nova: Resource allocation issue due to unstripped hint data in server creation API
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: unspecifiedCC: eglynn, jjoyce, jpretori, jschluet, lhh, mburns, mgarciac
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenStack Nova. The server creation application programming interface (API) fails to remove specific hint data, leading to instances being created without proper Placement allocation. This can result in a denial of service, as resources may not be correctly assigned or managed for the affected instances.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-06-16 20:01:58 UTC
In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.