CVE-2015-7295

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "5CDD0AC9-F6E4-47B3-A0E9-C1E7D7F8837F", "versionEndIncluding": "2.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*", "matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface."}, {"lang": "es", "value": "hw/virtio/virtio.c en el soporte Virtual Network Device (virtio-net) en QEMU, cuando buffers de recepci\u00f3n de gran tama\u00f1o o fusionables no son soportados, permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de la red de invitado) a trav\u00e9s de una inundaci\u00f3n de marcos jumbo en la interfaz (1) tuntap o (2) macvtap."}], "id": "CVE-2015-7295", "lastModified": "2026-06-17T00:32:12.677", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-11-09T16:59:07.810", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169802.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3469"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3470"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3471"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/09/18/5"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/09/18/9"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/82672"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201602-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169802.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3469"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3470"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3471"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/09/18/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/09/18/9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/82672"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201602-01"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Jason Wang (Red Hat Inc).", "bugzilla": {"description": "Qemu: net: virtio-net possible remote DoS", "id": "1264381", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1264381"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-772", "details": ["hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.", "A flaw has been discovered in the QEMU emulator built with Virtual Network Device(virtio-net) support. If the guest's virtio-net driver did not support big or mergeable receive buffers, an issue could occur while receiving large packets over the tuntap/ macvtap interfaces. An attacker on the local network could use this flaw to disable the guest's networking; the user could send a large number of jumbo frames to the guest, which could exhaust all receive buffers, and lead to a denial of service."], "name": "CVE-2015-7295", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)"}, {"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Will not fix", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}], "public_date": "2015-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-7295\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-7295"], "statement": "This issue affects the versions of kvm package as shipped with Red Hat Enterprise Linux 5.\nThis issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7.\nThis issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\nThis issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.", "threat_severity": "Moderate"}

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