{"id":"OESA-2021-1373","summary":"kubernetes security update","details":"Container cluster management.\r\n\r\nSecurity Fix(es):\r\n\r\nA 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)\r\n\r\nA 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)","modified":"2025-09-03T06:17:19.427826Z","published":"2021-09-30T11:03:14Z","upstream":["CVE-2021-25735","CVE-2021-25737"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1373"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25737"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25735"}],"affected":[{"package":{"name":"kubernetes","ecosystem":"openEuler:20.03-LTS-SP1","purl":"pkg:rpm/openEuler/kubernetes&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-5.oe1"}]}],"ecosystem_specific":{"aarch64":["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"],"src":["kubernetes-1.20.2-5.oe1.src.rpm"],"x86_64":["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"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1373.json"}},{"package":{"name":"kubernetes","ecosystem":"openEuler:20.03-LTS-SP2","purl":"pkg:rpm/openEuler/kubernetes&distro=openEuler-20.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-5.oe1"}]}],"ecosystem_specific":{"aarch64":["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"],"src":["kubernetes-1.20.2-5.oe1.src.rpm"],"x86_64":["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"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1373.json"}}],"schema_version":"1.7.3"}