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Medium6.5Vendor: HighRed Hat Linux

Medium [CVE-2026-35469] Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code

This medium-severity Red Hat Linux advisory covers CVE-2026-35469 affecting RHEM 1.0 for RHEL 9, Red Hat OpenShift Container Platform 4.19, Red Hat Advanced Cluster Management for Kubernetes 2.13.

CVE-2026-35469 Published Apr 13, 2026
CVE-2026-35469
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code. Red Hat rates this important (CVSS 6.5).

Weakness: CWE-770.

Affected package(s): openshift4/ose-node-feature-discovery-rhel9:1779252023, openshift4/ose-sriov-network-config-daemon:1780955979, container-native-virtualization/virt-exportserver-rhel9:1782358244, openshift4/ose-sriov-network-webhook-rhel9:1779249801, advanced-cluster-security/rhacs-roxctl-rhel8:1777986630, multicluster-engine/assisted-service.

Resolved in Red Hat advisory RHSA-2026:29795 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: RHEM 1.0 for RHEL 9; Red Hat OpenShift Container Platform 4.19; Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Security for Kubernetes 4.10; and 32 more.

Affected versions
  • openshift4/ose-node-feature-discovery-rhel9:1779252023
  • openshift4/ose-sriov-network-config-daemon:1780955979
  • container-native-virtualization/virt-exportserver-rhel9:1782358244
  • openshift4/ose-sriov-network-webhook-rhel9:1779249801
  • advanced-cluster-security/rhacs-roxctl-rhel8:1777986630
  • multicluster-engine/assisted-service-8-rhel8:1778288655
  • container-native-virtualization/virt-exportserver-rhel9:1782184329
  • openshift4/ose-cluster-node-tuning-rhel9-operator:1781023952
  • multicluster-engine/assisted-service-9-rhel9:1778892370
  • rhacm2/multicloud-integrations-rhel9:1778264389
  • openshift4/ose-node-feature-discovery:1780956818
  • openshift4/ose-node-feature-discovery-rhel9:1778701022

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:29795

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:29795 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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