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