Bug 2354604 (CVE-2025-30162)

Summary: CVE-2025-30162 cilium: East-west traffic not subject to egress policy enforcement for requests via Gateway API load balancers
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: adudiak, alcohan, fdeutsch, gparvin, jwendell, kshier, mwringe, njean, omaciel, oramraz, owatkins, pahickey, rcernich, rhaigner, smullick, stcannon, stirabos, thason, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in cilium package. For Cilium users who use Gateway API for Ingress for some services and use LB-IPAM or BGP for LB Service implementation and use network policies to block egress traffic from workloads in a namespace to workloads in other namespaces, egress traffic from workloads covered by such network policies to LoadBalancers configured by `Gateway` resources will incorrectly be allowed.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2354697, 2354698, 2354699, 2354700, 2354703, 2354704, 2354705, 2354706, 2354707, 2354711, 2354680, 2354681, 2354682, 2354683, 2354684, 2354685, 2354686, 2354687, 2354688, 2354689, 2354690, 2354691, 2354692, 2354693, 2354694, 2354695, 2354696, 2354701, 2354702, 2354708, 2354709, 2354710    
Bug Blocks:    

Description OSIDB Bzimport 2025-03-24 19:01:11 UTC
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who use Gateway API for Ingress for some services and use LB-IPAM or BGP for LB Service implementation and use network policies to block egress traffic from workloads in a namespace to workloads in other namespaces, egress traffic from workloads covered by such network policies to LoadBalancers configured by `Gateway` resources will incorrectly be allowed. LoadBalancer resources not deployed via a Gateway API configuration are not affected by this issue. This issue affects: Cilium v1.15 between v1.15.0 and v1.15.14 inclusive, v1.16 between v1.16.0 and v1.16.7 inclusive, and v1.17 between v1.17.0 and v1.17.1 inclusive. This issue is fixed in Cilium v1.15.15, v1.16.8, and v1.17.2. A Clusterwide Cilium Network Policy can be used to work around this issue for users who are unable to upgrade.