Tag: Service Unavailability
Critical problems causing complete service outages
| ID | Title | Description | Category | Technology | Tags |
|---|---|---|---|---|---|
| CRE-2025-0121 Critical Impact: 10/10 Mitigation: 7/10 | NGINX Ingress Controller SSL Certificate Failure | Critical NGINX Ingress Controller SSL certificate validation failure detected. This pattern indicates cascading SSL failures where certificate verification errors lead to upstream connection failures and service unavailability. The failure sequence shows SSL handshake failures, certificate verification errors, and resulting HTTP error responses that affect client connectivity. | Load Balancer Problems | nginx | NginxIngress ControllerSSL CertificateTLS HandshakeCertificate VerificationLoad BalancerKubernetesSecurityHigh AvailabilityService Unavailability |
| CRE-2025-0122 Critical Impact: 10/10 Mitigation: 6/10 | AWS VPC CNI IP Address Exhaustion Crisis | Critical AWS VPC CNI IP address exhaustion detected. This pattern indicates cascading failures where subnet IP exhaustion leads to ENI allocation failures, pod scheduling failures, and complete service unavailability. The failure sequence shows IP allocation errors, ENI attachment failures, and resulting pod startup failures that affect cluster scalability and workload deployment. | Networking Problems | aws-vpc-cni | AWSVPC CNIKubernetesNetworkingIP ExhaustionENI AllocationPod SchedulingCluster ScalingHigh AvailabilityService Unavailability |