{"id":"CVE-2026-10722","title":"github.com/cilium/ebpf: Cilium ebpf: Denial of Service via integer overflow (CVE-2026-10722)","summary":"A flaw was found in the cilium/ebpf Go library (versions up to 0.21.0). An integer overflow in the loadRawSpec function (btf/btf.go) when parsing BTF collection specs can cause excessive memory allocation or parsing failure. A local attack…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-190","vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","affected":["confidential_compute_attestation","multiarch_tuning_operator","multicluster_global_hub","network_observability_operator","openshift_service_mesh 2","advanced_cluster_management_for_kubernetes 2","ceph_storage 9","enterprise_linux 10","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4","openshift_virtualization 4"],"patched":["github.com/cilium/ebpf 0.22.0"],"published":"2026-06-03","updated":"2026-10-23","sourceUpdated":"2026-10-23T17:12:31+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-10722.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-10722.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-10722"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2484348"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-10722"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10722"},{"url":"https://gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815"},{"url":"https://github.com/cilium/ebpf/"},{"url":"https://github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa"},{"url":"https://github.com/cilium/ebpf/issues/2019"},{"url":"https://github.com/cilium/ebpf/pull/2021"},{"url":"https://vuldb.com/cve/CVE-2026-10722"},{"url":"https://vuldb.com/submit/818291"},{"url":"https://vuldb.com/vuln/368091"},{"url":"https://vuldb.com/vuln/368091/cti"},{"url":"https://github.com/cilium/ebpf"}],"tags":["csaf","vex","red-hat","osv","go","score-dispute"],"epss":0.00179,"epssPercentile":0.0739,"aliases":["GHSA-xhgw-qwwf-pg32"],"ecosystem":"go","scores":{"vendor":5.5,"osv":3.3},"ingestedAt":"2026-08-17T19:20:56.198Z","slug":"CVE-2026-10722","body":"## Overview\n\nA flaw was found in the cilium/ebpf Go library (versions up to 0.21.0). An integer overflow in the loadRawSpec function (btf/btf.go) when parsing BTF collection specs can cause excessive memory allocation or parsing failure. A local attacker who can supply a crafted eBPF collection spec to an application using this library could trigger a denial of service.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Confidential Compute Attestation, Multiarch Tuning Operator, Multicluster Global Hub, Network Observability Operator, OpenShift Service Mesh 2, Red Hat Advanced Cluster Management for Kubernetes 2, … · no fix planned: Confidential Compute Attestation, Multiarch Tuning Operator, Multicluster Global Hub, Network Observability Operator, … · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-10722.json)\n\n**github.com/cilium/ebpf: Cilium ebpf: Denial of Service via integer overflow** — rated Moderate by Red Hat. Released 2026-06-03, updated 2026-10-23.\n\nAffected:\n\n- Confidential Compute Attestation\n- Multiarch Tuning Operator\n- Multicluster Global Hub\n- Network Observability Operator\n- OpenShift Service Mesh 2\n- Red Hat Advanced Cluster Management for Kubernetes 2\n- Red Hat Ceph Storage 9\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n- Red Hat OpenShift Virtualization 4\n\nNo fix planned:\n\n- Confidential Compute Attestation\n- Multiarch Tuning Operator\n- Multicluster Global Hub\n- Network Observability Operator\n- OpenShift Service Mesh 2\n- Red Hat Advanced Cluster Management for Kubernetes 2\n- Red Hat Ceph Storage 9\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n- Red Hat OpenShift Virtualization 4\n\n## Remediation\n\nFix deferred\n\n## Package advisory (CVE-2026-10722)\n\nAffected packages:\n\n- `github.com/cilium/ebpf < 0.22.0`\n\nPatched in:\n\n- `github.com/cilium/ebpf 0.22.0`\n\nSource: https://osv.dev/vulnerability/GHSA-xhgw-qwwf-pg32","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228699,"id":"CVE-2026-10722","ts":1792844915977,"field":"cvss","old":"3.3","new":"5.5"},{"seq":228698,"id":"CVE-2026-10722","ts":1792844915977,"field":"severity","old":"low","new":"medium"}]}