{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-30T00:00:00", "descriptions": [{"lang": "en", "value": "The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-12-01T10:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "93275", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/93275"}, {"name": "GLSA-201611-11", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201611-11"}, {"name": "[oss-security] 20161003 Re: CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/6"}, {"name": "[oss-security] 20161003 CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/3"}, {"name": "openSUSE-SU-2016:3237", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"}, {"name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"}, {"name": "[qemu-devel] 20160930 [PATCH 1/2] net: pcnet: check rx/tx descriptor ring length", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-7909", "datePublished": "2016-10-05T16:00:00", "dateReserved": "2016-09-09T00:00:00", "dateUpdated": "2018-12-01T10:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "F83E2010-6463-407A-928D-DB71A705A04C", "versionEndIncluding": "2.7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0."}, {"lang": "es", "value": "La funci\u00f3n pcnet_rdra_addr en hw/net/pcnet.c en QEMU (tambi\u00e9n conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (bucle infinito y ca\u00edda de proceso QEMU) estableciendo el descriptor de la longitud del anillo (1) recibir o (2) transmitir a 0."}], "id": "CVE-2016-7909", "lastModified": "2020-11-10T18:54:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-10-05T16:59:12.243", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/3"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/6"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/93275"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201611-11"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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