{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-22T00:00:00", "descriptions": [{"lang": "en", "value": "The mcf_fec_do_tx function in hw/net/mcf_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."}], "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": "[oss-security] 20161003 CVE request Qemu: net: Infinite loop in mcf_fec_do_tx", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/2"}, {"name": "[qemu-devel] 20160922 [PATCH v2] net: mcf: limit buffer descriptor count", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05557.html"}, {"name": "GLSA-201611-11", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201611-11"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=070c4b92b8cd5390889716677a0b92444d6e087a"}, {"name": "openSUSE-SU-2016:3237", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"}, {"name": "93273", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/93273"}, {"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": "[oss-security] 20161003 Re: CVE request Qemu: net: Infinite loop in mcf_fec_do_tx", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/5"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:13:20.875Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20161003 CVE request Qemu: net: Infinite loop in mcf_fec_do_tx", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/2"}, {"name": "[qemu-devel] 20160922 [PATCH v2] net: mcf: limit buffer descriptor count", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05557.html"}, {"name": "GLSA-201611-11", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201611-11"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=070c4b92b8cd5390889716677a0b92444d6e087a"}, {"name": "openSUSE-SU-2016:3237", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"}, {"name": "93273", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/93273"}, {"name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"}, {"name": "[oss-security] 20161003 Re: CVE request Qemu: net: Infinite loop in mcf_fec_do_tx", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/10/03/5"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-7908", "datePublished": "2016-10-05T16:00:00", "dateReserved": "2016-09-09T00:00:00", "dateUpdated": "2024-08-06T02:13:20.875Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"acknowledgement": "Red Hat would like to thank Li Qiang (Qihoo 360 Inc.) for reporting this issue.", "bugzilla": {"description": "Qemu: net: Infinite loop in mcf_fec_do_tx()", "id": "1327465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1327465"}, "csaw": false, "cvss": {"cvss_base_score": "2.3", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:N/I:N/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "3.0", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["The mcf_fec_do_tx function in hw/net/mcf_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."], "name": "CVE-2016-7908", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "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": "Not affected", "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": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)"}, {"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}], "public_date": "2016-09-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7908\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7908"], "threat_severity": "Low"}