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{"acknowledgement": "Red Hat would like to thank Ling Liu (Qihoo 360 Inc.) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2017:0309", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.491.el6_8.6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-02-23T00:00:00Z"}, {"advisory": "RHSA-2017:0083", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-126.el7_3.3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-01-17T00:00:00Z"}, {"advisory": "RHSA-2017:0334", "cpe": "cpe:/a:redhat:openstack:5::el6", "package": "qemu-kvm-rhev-2:0.12.1.2-2.491.el6_8.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6", "release_date": "2017-02-27T00:00:00Z"}, {"advisory": "RHSA-2016:2706", "cpe": "cpe:/a:redhat:openstack:5::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2705", "cpe": "cpe:/a:redhat:openstack:6::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2704", "cpe": "cpe:/a:redhat:openstack:7::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2670", "cpe": "cpe:/a:redhat:openstack:8::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat OpenStack Platform 8.0 (Liberty)", "release_date": "2016-11-07T00:00:00Z"}, {"advisory": "RHSA-2016:2671", "cpe": "cpe:/a:redhat:openstack:9::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat OpenStack Platform 9.0 (Mitaka)", "release_date": "2016-11-07T00:00:00Z"}, {"advisory": "RHSA-2017:0350", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.6.0-28.el7_3.6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2017-03-01T00:00:00Z"}, {"advisory": "RHSA-2017:0344", "cpe": "cpe:/a:redhat:enterprise_linux:6::hypervisor", "package": "qemu-kvm-rhev-2:0.12.1.2-2.491.el6_8.6", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-6", "release_date": "2017-02-28T00:00:00Z"}, {"advisory": "RHSA-2017:0350", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.6.0-28.el7_3.6", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-7", "release_date": "2017-03-01T00:00:00Z"}], "bugzilla": {"description": "Qemu: net: out of bounds read in net_checksum_calculate()", "id": "1296567", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296567"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:P/I:N/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L", "status": "verified"}, "cwe": "CWE-125", "details": ["The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.", "An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet's checksum, because a QEMU function used the packet's payload length without checking against the data buffer's size. A user inside a guest could use this flaw to crash the QEMU process (denial of service)."], "name": "CVE-2016-2857", "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:6", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:11", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 11 (Ocata)"}], "public_date": "2016-02-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2857\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2857"], "statement": "This has been rated as having Low security impact and is not currently\nplanned to be addressed in future updates. For additional information, refer\nto the Red Hat Enterprise Linux Life Cycle:\nhttps://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Low"}