Kube-controller-manager: malformed hpa v1 manifest causes crash
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected products
kube-controller-managerRed Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat OpenShift Container Platform 4.12