Kube-controller-manager: malformed hpa v1 manifest causes crash
A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.
02 / AFFECTED SOFTWARE
Affected packages
134 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Kubernetes Nil pointer dereference in KCM after v1 HPA patch request in k8s.io/kubernetes
A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.
A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2024:0741
- https://access.redhat.com/errata/RHSA-2024:1267
- https://access.redhat.com/security/cve/CVE-2024-0793
- https://bugzilla.redhat.com/show_bug.cgi?id=2214402
- https://github.com/advisories/GHSA-h7wq-jj8r-qm7p
- https://github.com/kubernetes/kubernetes/issues/107038#issuecomment-1911327145
- https://github.com/openshift/kubernetes/pull/1876
- https://github.com/kubernetes/kubernetes
- https://nvd.nist.gov/vuln/detail/CVE-2024-0793
- https://pkg.go.dev/vuln/GO-2024-3277
- https://access.redhat.com/downloads/content/package-browser/
- https://catalog.redhat.com/software/containers/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/0xxx/CVE-2024-0793.json
- https://github.com/kubernetes