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Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash."}], "id": "CVE-2026-86564", "lastModified": "2026-09-09T15:44:42.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86564", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-09T13:14:12.366766Z", "version": "2.0.3"}}]}, "published": "2026-09-08T23:17:30.083", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-86564"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529682"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Stephen Haruna for reporting this issue.", "bugzilla": {"description": "dpdk: dpdk: Missing length validation before reading command_data in virtio-net control queue handler", "id": "2529682", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529682"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available."}, "name": "CVE-2026-86564", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.5", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.6", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.11", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.12", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.13", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.15", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.16", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.17", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.1", "product_name": "Fast Datapath for RHEL 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch2.17", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.0", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.1", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.2", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.3", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.4", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.5", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath", "fix_state": "Fix deferred", "package_name": "openvswitch3.6", "product_name": "Fast Datapath for RHEL 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "dpdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openvswitch2.17", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openvswitch3.0", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openvswitch3.1", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-86564\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-86564"], "statement": "A malicious guest with access to the VDUSE virtio-net control virtqueue can trigger this flaw. Red Hat has rated this as having a security impact of Low.", "threat_severity": "Low"}

{"created": "2026-09-09T09:00:11.454904+00:00", "updated": "2026-09-09T09:00:11.454909+00:00", "vendors": []}