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Tag: Networking

Problems within networking components, such as interface misconfigurations or routing errors

IDTitleDescriptionCategoryTechnologyTags
CRE-2025-0027
Low
Impact: 7/10
Mitigation: 2/10
Neutron Open Virtual Network (OVN) and Virtual Interface (VIF) allows port binding to dead agents, causing VIF plug timeoutsIn OpenStack deployments using Neutron with the OVN ML2 driver, ports could be bound to agents that were not alive. This behavior led to virtual machines experiencing network interface plug timeouts during provisioning, as the port binding would not complete successfully.Networking ProblemsneutronNeutronOvnTimeoutNetworkingOpenstackKnown IssuePublic
CRE-2025-0054
Medium
Impact: 7/10
Mitigation: 5/10
NGINX upstream connection timeoutNGINX reports an upstream timeout error when it cannot establish or maintain a connection to backend services within the configured timeout threshold. This occurs when backend services are unresponsive, overloaded, or when the timeout values are set too low for normal operation conditions. The error indicates that NGINX attempted to proxy a request to an upstream server, but the connection or read operation timed out before completion.Proxy Timeout ProblemsnginxNginxTimeoutProxyBackend IssueNetworking
CRE-2025-0071
High
Impact: 9/10
Mitigation: 8/10
CoreDNS unavailableCoreDNS deployment is unavailable or has no ready endpoints, indicating an imminent cluster-wide DNS outage.Kubernetes ProblemskubernetesKubernetesNetworkingDNSHigh Availability