Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability (CVE-2021-25741)

Summary IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability that could allow host path like access without use of the hostPath feature, thus bypassing the restriction CVE-2021-25741. Vulnerability Details CVEID: CVE-2021-25741 Description: Kubernetes could allo...

Security Bulletin: IBM Cloud Kubernetes Service is affected by a containerd security vulnerability (CVE-2020–15257)

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in containerd that could allow containers running in the host network namespace as root UID 0 to gain the host root privileges CVE-2020–15257 Vulnerability Details CVEID: CVE-2020-15257 Description: Containerd could allo...

Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability (CVE-2020-8557)

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in the Kubernetes kubelet that could result in the denial of service of a node CVE-2020-8557 Vulnerability Details CVEID: CVE-2020-8557 Description: Kubernetes kubelet is vulnerable to a denial of service, caused by an...

Node disk DOS by writing to container /etc/hosts

CVSS Rating: Medium 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/CR:H/IR:H/AR:M The /etc/hosts file mounted in a pod by kubelet is not included by the kubelet eviction manager when calculating ephemeral storage usage by a pod. If a pod writes a large amount of data to the /etc/hosts file, it...

Security Bulletin: IBM Cloud Kubernetes Service is affected by a privilege escalation vulnerability in runc

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in runc which could allow an attacker that is authorized to run a process as root inside a container to execute arbitrary commands with root privileges on the container’s host system. Vulnerability Details CVE-ID:...