Tag: Karpenter
Problems with Karpenter
| ID | Title | Description | Category | Technology | Tags |
|---|---|---|---|---|---|
| CRE-2025-0061 Medium Impact: 7/10 Mitigation: 4/10 | Karpenter Stability Issues on EKS During Leader Election | - EKS may be able to handle steady, predictable scale, but struggles during large‑scale auto scaling events when many workloads and nodes are spinning up or down simultaneously. - This instability affects components that implement leader election using the Kubernetes API, such as: - aws‑load‑balancer‑controller - karpenter - keda‑operator - ebs‑csi‑controller - efs‑csi‑controller | Stability Problems | karpenter | KarpenterKEDAAWSEKS |
| CRE-2025-0062 Medium Impact: 6/10 Mitigation: 2/10 | Karpenter Version Incompatible with Kubernetes Version | - Karpenter logs an error when its current version is not compatible with the running Kubernetes control plane version. - This results in provisioning failures and indicates a required upgrade to align compatibility. - The issue is surfaced via structured logs from the controller. | Incompatibility Problem | karpenter | Version IncompatibilityKarpenter |