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Fedora 43: kubernetes1.33 Important Security Update 2025

Linuxsecurity •LinuxSecurity Advisories • November 24, 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 v1.33.6 Resolves: rhbz#2398588, rhbz#2398849, rhbz#2399250, rhbz#2399523 Resolves: rhbz#2407789, rhbz#2408059, rhbz#2408316, rhbz#2408610 Resolves: rhbz#2408673, rhbz#2408731, rhbz#2409238, rhbz#2409528 Resolves: rhbz#2409789, rhbz#2410203, rhbz#2410478, rhbz#2410739 Resolves: rhbz#2411118, rhbz#2411377, rhbz#2412570, rhbz#2412589 Resolves: rhbz#2412804 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 v1.33.6 Resolves: rhbz#2398588, rhbz#2398849, rhbz#2399250, rhbz#2399523 Resolves: rhbz#2407789, rhbz#2408059, rhbz#2408316, rhbz#2408610 Resolves: rhbz#2408673, rhbz#2408731, rhbz#2409238, rhbz#2409528 Resolves: rhbz#2409789, rhbz#2410203, rhbz#2410478, rhbz#2410739 Resolves: rhbz#2411118, rhbz#2411377, rhbz#2412570, rhbz#2412589 Resolves: rhbz#2412804 Upstream fixes

* Thu Nov 13 2025 Bradley G Smith - 1.33.6-1 - Update to release v1.33.6 - Resolves: rhbz#2398588, rhbz#2398849, rhbz#2399250, rhbz#2399523 - Resolves: rhbz#2407789, rhbz#2408059, rhbz#2408316, rhbz#2408610 - Resolves: rhbz#2408673, rhbz#2408731, rhbz#2409238, rhbz#2409528 - Resolves: rhbz#2409789, rhbz#2410203, rhbz#2410478, rhbz#2410739 - Resolves: rhbz#2411118, rhbz#2411377, rhbz#2412570, rhbz#2412589 - Resolves: rhbz#2412804 - Upstream fixes * Fri Oct 10 2025 Maxwell G - 1.33.5-4 - Rebuild for golang 1.25.2

[ 1 ] Bug #2398588 - CVE-2025-47910 kubernetes1.33: CrossOriginProtection bypass in net/http [fedora-41] [ 2 ] Bug #2398849 - CVE-2025-47910 kubernetes1.33: CrossOriginProtection bypass in net/http [fedora-42] [ 3 ] Bug #2399250 - CVE-2025-47906 kubernetes1.33: Unexpected paths returned from LookPath in os/exec [fedora-41] [ 4 ] Bug #2399523 - CVE-2025-47906 kubernetes1.33: Unexpected paths returned from LookPath in os/exec [fedora-42] [ 5 ] Bug #2407789 - CVE-2025-58189 kubernetes1.33: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-41] [ 6 ] Bug #2408059 - CVE-2025-58189 kubernetes1.33: 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-2025-298add9246' 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