An update for kubernetes is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2021-1373 Final 1.0 1.0 2021-09-30 Initial 2021-09-30 2021-09-30 openEuler SA Tool V1.0 2021-09-30 kubernetes security update An update for kubernetes is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. Container cluster management. Security Fix(es): A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.(CVE-2021-25737) A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission Webhook for Nodes that denies admission based at least partially on the old state of the Node object. Validating Admission Webhook does not observe some previous fields.(CVE-2021-25735) An update for kubernetes is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. openEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. Medium kubernetes https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1373 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-25737 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-25735 https://nvd.nist.gov/vuln/detail/CVE-2021-25737 https://nvd.nist.gov/vuln/detail/CVE-2021-25735 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 kubernetes-1.20.2-5.oe1.aarch64.rpm kubernetes-kubelet-1.20.2-5.oe1.aarch64.rpm kubernetes-client-1.20.2-5.oe1.aarch64.rpm kubernetes-node-1.20.2-5.oe1.aarch64.rpm kubernetes-master-1.20.2-5.oe1.aarch64.rpm kubernetes-help-1.20.2-5.oe1.aarch64.rpm kubernetes-kubeadm-1.20.2-5.oe1.aarch64.rpm kubernetes-kubeadm-1.20.2-5.oe1.aarch64.rpm kubernetes-kubelet-1.20.2-5.oe1.aarch64.rpm kubernetes-client-1.20.2-5.oe1.aarch64.rpm kubernetes-node-1.20.2-5.oe1.aarch64.rpm kubernetes-help-1.20.2-5.oe1.aarch64.rpm kubernetes-master-1.20.2-5.oe1.aarch64.rpm kubernetes-1.20.2-5.oe1.aarch64.rpm kubernetes-1.20.2-5.oe1.src.rpm kubernetes-1.20.2-5.oe1.src.rpm kubernetes-kubeadm-1.20.2-5.oe1.x86_64.rpm kubernetes-client-1.20.2-5.oe1.x86_64.rpm kubernetes-master-1.20.2-5.oe1.x86_64.rpm kubernetes-node-1.20.2-5.oe1.x86_64.rpm kubernetes-help-1.20.2-5.oe1.x86_64.rpm kubernetes-kubelet-1.20.2-5.oe1.x86_64.rpm kubernetes-1.20.2-5.oe1.x86_64.rpm kubernetes-help-1.20.2-5.oe1.x86_64.rpm kubernetes-kubelet-1.20.2-5.oe1.x86_64.rpm kubernetes-master-1.20.2-5.oe1.x86_64.rpm kubernetes-kubeadm-1.20.2-5.oe1.x86_64.rpm kubernetes-1.20.2-5.oe1.x86_64.rpm kubernetes-node-1.20.2-5.oe1.x86_64.rpm kubernetes-client-1.20.2-5.oe1.x86_64.rpm A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs. 2021-09-30 CVE-2021-25737 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 Medium 4.8 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N kubernetes security update 2021-09-30 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1373 A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission Webhook for Nodes that denies admission based at least partially on the old state of the Node object. Validating Admission Webhook does not observe some previous fields. 2021-09-30 CVE-2021-25735 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 Medium 6.5 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H kubernetes security update 2021-09-30 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1373