CVE-2016-7907

{"id": "CVE-2016-7907", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.8}]}, "published": "2016-10-05T16:59:10.070", "references": [{"url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/10/03/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/10/03/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/93274", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05556.html", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201611-11", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/10/03/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/10/03/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/93274", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05556.html", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201611-11", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags."}, {"lang": "es", "value": "La funci\u00f3n imx_fec_do_tx function in hw/net/imx_fec.c en QEMU (tambi\u00e9n conocido como Quick Emulator) no limita adecuadamente el recuento del descriptor de b\u00fafer cuando trasmite paquetes, lo que permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (bucle infinito y ca\u00edda del proceso QEMU) a trav\u00e9s de vectores relacionados con un descriptor de b\u00fafer con una longitud de 0 y valores manipulados en bd.flags."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A965C2D1-C447-4324-95A4-27285ECF8909", "versionEndIncluding": "2.8.1.1"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F615830-8EC7-41C0-9A77-6C7D4E718429"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15D5C1F9-C3B4-4733-8782-0E54AE543C16"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "286D3DE9-9796-42AE-88E1-F6E04BF8B449"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B54248FC-FD5C-445E-BD8F-886D9D8736D6"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89FB8D92-4A3A-4B52-93B0-6F809D313C40"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.9.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "06A8F83F-3551-4F3B-A0C9-EE6B8BA5436A"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}