Back Linuxsecurity

Fedora 42: Important Kubernetes Updates Released for 2025

Linuxsecurity •LinuxSecurity Advisories • November 25, 2025

Production-Grade Container Scheduling and Management. Installs kubelet, the kubernetes agent on each machine in a cluster. The kubernetes-client sub-package, containing kubectl, is recommended but not strictly required. The kubernetes-client sub-package should be installed on control plane machines. Update Information : Update to release v1.34.2 Resolves: rhbz#2398589, rhbz#2398850, rhbz#2399251, rhbz#2399524 Resolves: rhbz#2407790, rhbz#2408060, rhbz#2408317, rhbz#2408611 Resolves: rhbz#2408674, rhbz#2408732, rhbz#2409239, rhbz#2409529 Resolves: rhbz#2409790, rhbz#2410204, rhbz#2410479, rhbz#2410740 Resolves: rhbz#2411120, rhbz#2411378, rhbz#2411636 rhbz#2412590 Resolves: rhbz#2412805 Upstream fixes

Production-Grade Container Scheduling and Management.

Installs kubelet, the kubernetes agent on each machine in a

cluster. The kubernetes-client sub-package,

containing kubectl, is recommended but not strictly required.

The kubernetes-client sub-package should be installed on

control plane machines.

Update to release v1.34.2 Resolves: rhbz#2398589, rhbz#2398850, rhbz#2399251, rhbz#2399524 Resolves: rhbz#2407790, rhbz#2408060, rhbz#2408317, rhbz#2408611 Resolves: rhbz#2408674, rhbz#2408732, rhbz#2409239, rhbz#2409529 Resolves: rhbz#2409790, rhbz#2410204, rhbz#2410479, rhbz#2410740 Resolves: rhbz#2411120, rhbz#2411378, rhbz#2411636 rhbz#2412590 Resolves: rhbz#2412805 Upstream fixes

* Fri Nov 14 2025 Bradley G Smith - 1.34.2-1 - Update to release v1.34.2 - Resolves: rhbz#2398589, rhbz#2398850, rhbz#2399251, rhbz#2399524 - Resolves: rhbz#2407790, rhbz#2408060, rhbz#2408317, rhbz#2408611 - Resolves: rhbz#2408674, rhbz#2408732, rhbz#2409239, rhbz#2409529 - Resolves: rhbz#2409790, rhbz#2410204, rhbz#2410479, rhbz#2410740 - Resolves: rhbz#2411120, rhbz#2411378, rhbz#2411636 rhbz#2412590 - Resolves: rhbz#2412805 - Upstream fixes * Fri Nov 14 2025 Bradley G Smith - 1.34.1-4 - Reorder CRI Recommends - Update cri-o recommend with correct version information - Reorder CRI as (for example): Recommends: (cri-o1.34 or containerd) * Fri Oct 10 2025 Maxwell G - 1.34.1-3 - Rebuild for golang 1.25.2

[ 1 ] Bug #2398589 - CVE-2025-47910 kubernetes1.34: CrossOriginProtection bypass in net/http [fedora-41] [ 2 ] Bug #2398850 - CVE-2025-47910 kubernetes1.34: CrossOriginProtection bypass in net/http [fedora-42] [ 3 ] Bug #2399251 - CVE-2025-47906 kubernetes1.34: Unexpected paths returned from LookPath in os/exec [fedora-41] [ 4 ] Bug #2399524 - CVE-2025-47906 kubernetes1.34: Unexpected paths returned from LookPath in os/exec [fedora-42] [ 5 ] Bug #2407790 - CVE-2025-58189 kubernetes1.34: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-41] [ 6 ] Bug #2408060 - CVE-2025-58189 kubernetes1.34: go crypto/tls ALPN negotiation error cont... Read the Full Advisory

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-4c576d1bd9' at the command line. For more information, refer to the dnf documentation available at

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Fedora 43 and 42 Kubernetes Updates Address Critical Security Vulnerabilities Fedora has released important security updates for Kubernetes versions 1.33 and 1.34, addressing multiple vulnerabilities. Users of Fedora 42 and 43 are advised to update their systems to the latest releases to mitigate potential security risks associated with these vulnerabilities. 7 sources 9

Extracted Entities

CVEs (3)

CVE-2025-47906 CVE-2025-47910 CVE-2025-58189