{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-08-11T00:00:00", "descriptions": [{"lang": "en", "value": "The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object."}], "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": "92444", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/92444"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fdda170e50b8af062cf5741e12c4fb5e57a2eacf"}, {"name": "[oss-security] 20160812 CVE Request Qemu: Information leak in vmxnet3_complete_packet", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/08/11/5"}, {"name": "[oss-security] 20160817 Re: CVE Request Qemu: Information leak in vmxnet3_complete_packet", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/08/18/5"}, {"name": "GLSA-201609-01", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201609-01"}, {"name": "[qemu-devel] 20160811 [PATCH] net: vmxnet: initialise local tx descriptor", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg02108.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"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T01:43:37.990Z"}, "title": "CVE Program Container", "references": [{"name": "92444", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/92444"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fdda170e50b8af062cf5741e12c4fb5e57a2eacf"}, {"name": "[oss-security] 20160812 CVE Request Qemu: Information leak in vmxnet3_complete_packet", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/08/11/5"}, {"name": "[oss-security] 20160817 Re: CVE Request Qemu: Information leak in vmxnet3_complete_packet", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/08/18/5"}, {"name": "GLSA-201609-01", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201609-01"}, {"name": "[qemu-devel] 20160811 [PATCH] net: vmxnet: initialise local tx descriptor", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg02108.html"}, {"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"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-6836", "datePublished": "2016-12-10T00:00:00", "dateReserved": "2016-08-17T00:00:00", "dateUpdated": "2024-08-06T01:43:37.990Z", "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: vmxnet: Information leakage in vmxnet3_complete_packet", "id": "1366369", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1366369"}, "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": "2.4", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-200", "details": ["The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.", "Quick Emulator (QEMU) built with the VMWARE VMXNET3 NIC device support is vulnerable to an information leakage issue. The vulnerability could occur while processing the transmit(tx) queue when it reaches the end of a packet. A privileged user inside guest could use this vulnerability to leak host memory bytes to a guest."], "name": "CVE-2016-6836", "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": "Affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)"}, {"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}], "public_date": "2016-08-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-6836\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-6836"], "threat_severity": "Low"}