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      "tlp": {
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    },
    "lang": "en",
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      {
        "category": "summary",
        "text": "An update for qemu-kvm-rhev is now available for RHEV 4.X RHEV-H and Agents for RHEL-7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
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        "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nThe following packages have been upgraded to a later upstream version: qemu-kvm-rhev (2.9.0). (BZ#1387372, BZ#1387600, BZ#1400962)\n\nSecurity Fix(es):\n\n* A stack buffer overflow flaw was found in the Quick Emulator (QEMU) built with the Network Block Device (NBD) client support. The flaw could occur while processing server\u0027s response to a \u0027NBD_OPT_LIST\u0027 request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process. (CVE-2017-2630)\n\n* An integer overflow flaw was found in Quick Emulator (QEMU) in the CCID Card device support. The flaw could occur while passing messages via command/response packets to and from the host. A privileged user inside a guest could use this flaw to crash the QEMU process. (CVE-2017-5898)\n\n* An information exposure flaw was found in Quick Emulator (QEMU) in Task Priority Register (TPR) optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory. (CVE-2016-4020)\n\n* A memory-leak flaw was found in the Quick Emulator(QEMU) built with USB xHCI controller emulation support. The flaw could occur while doing a USB-device unplug operation. Unplugging the device repeatedly resulted in leaking host memory, affecting other services on the host. A privileged user inside the guest could exploit this flaw to cause a denial of service on the host or potentially crash the host\u0027s QEMU process instance. (CVE-2016-7466)\n\n* Multiple CVEs(CVE-2016-10155, CVE-2016-4020, CVE-2016-6835, CVE-2016-6888, CVE-2016-7422, CVE-2016-7466, CVE-2016-8576, CVE-2016-8669, CVE-2016-8909, CVE-2016-8910, CVE-2016-9907, CVE-2016-9911, CVE-2016-9921, CVE-2016-9922, CVE-2017-2630, CVE-2017-5579, CVE-2017-5898, CVE-2017-5973, CVE-2017-9310, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375) were fixed as result of rebase to QEMU version 2.9.0.\n\nRed Hat would like to thank Li Qiang (Qihoo 360 Inc.) for reporting CVE-2016-6835 and CVE-2016-6888; Li Qiang (360.cn Inc.) for reporting CVE-2017-5898, CVE-2016-7466, CVE-2016-10155, CVE-2017-5579, and CVE-2017-5973; Donghai Zdh (Alibaba Inc.) for reporting CVE-2016-4020; Qinghao Tang (Marvel Team 360.cn Inc.) and Zhenhao Hong (Marvel Team 360.cn Inc.) for reporting CVE-2016-7422; PSIRT (Huawei Inc.) for reporting CVE-2016-8669; Andrew Henderson (Intelligent Automation Inc.) for reporting CVE-2016-8910; Qinghao Tang (Qihoo 360), Li Qiang (Qihoo 360), and Jiangxin (Huawei Inc.) for reporting CVE-2016-9921 and CVE-2016-9922; and Li Qiang (Qihoo 360 Gear Team) for reporting CVE-2017-9310, CVE-2017-9373, CVE-2017-9374, and CVE-2017-9375.\n\nAdditional Changes:\n\nThis update also fixes several bugs and adds various enhancements. Documentation for these changes is available from the Release Notes document linked to in the References section.",
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Qemu: virtio: null pointer dereference in virtqueu_map_desc"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Li Qiang"
          ],
          "organization": "360.cn Inc."
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      ],
      "cve": "CVE-2016-7466",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2016-09-14T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
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        {
          "category": "description",
          "text": "A memory-leak flaw was found in the Quick Emulator(QEMU) built with USB xHCI controller emulation support. The flaw could occur while doing a USB-device unplug operation. Unplugging the device repeatedly resulted in leaking host memory, which affected other services on the host. A privileged user inside the guest could exploit this flaw to cause a denial of service on the host or potentially crash the host\u0027s QEMU process instance.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: usb: xhci memory leakage during device unplug",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "vendor_fix",
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      ],
      "title": "Qemu: usb: xhci memory leakage during device unplug"
    },
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      "acknowledgments": [
        {
          "names": [
            "Li Qiang"
          ],
          "organization": "Qihoo 360"
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      ],
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        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
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        }
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        {
          "category": "description",
          "text": "The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "notes": [
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          "category": "description",
          "text": "The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.",
          "title": "Vulnerability description"
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        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "category": "impact",
          "details": "Low"
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      "title": "Qemu: char: divide by zero error in serial_update_parameters"
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          "organization": "Huawei Inc."
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          "title": "Vulnerability description"
        },
        {
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          "text": "Qemu: audio: intel-hda: infinite loop in processing dma buffer stream",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "title": "Vulnerability description"
        },
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          "restart_required": {
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            "availabilityImpact": "PARTIAL",
            "baseScore": 2.3,
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            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
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            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
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            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L",
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          "category": "impact",
          "details": "Low"
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      ],
      "title": "Qemu: usb: redirector: memory leakage when destroying redirector"
    },
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      "cwe": {
        "id": "CWE-244",
        "name": "Improper Clearing of Heap Memory Before Release (\u0027Heap Inspection\u0027)"
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        {
          "category": "description",
          "text": "Quick Emulator (Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in \u0027ehci_init_transfer\u0027. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: usb: ehci: memory leakage in ehci_init_transfer",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        }
      ],
      "release_date": "2016-11-08T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2017-08-01T16:04:36+00:00",
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            "accessVector": "ADJACENT_NETWORK",
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            "baseScore": 2.3,
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          "details": "Low"
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      ],
      "title": "Qemu: usb: ehci: memory leakage in ehci_init_transfer"
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    {
      "acknowledgments": [
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          "names": [
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
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        }
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      "notes": [
        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
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          "text": "Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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            "userInteraction": "NONE",
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      "title": "Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jiangxin"
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      },
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        {
          "system_name": "Red Hat Bugzilla ID",
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        {
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
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          "summary": "Canonical URL",
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          "summary": "RHBZ#1334398",
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9922"
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          "title": "Vulnerability description"
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        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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        {
          "category": "description",
          "text": "Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: serial: host memory leakage 16550A UART emulation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-5579"
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        {
          "category": "external",
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-5579",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-5579"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-5579",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-5579"
        }
      ],
      "release_date": "2017-01-11T00:00:00+00:00",
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        {
          "category": "vendor_fix",
          "date": "2017-08-01T16:04:36+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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        {
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            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.0"
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        }
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      "threats": [
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          "details": "Low"
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      "title": "Qemu: serial: host memory leakage 16550A UART emulation"
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          "names": [
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          "organization": "360.cn Inc."
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        {
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          "text": "1419699"
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        {
          "category": "description",
          "text": "An integer overflow flaw was found in Quick Emulator (QEMU) in the CCID Card device support. The flaw could occur while passing messages via command/response packets to and from the host. A privileged user inside a guest could use this flaw to crash the QEMU process.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: usb: integer overflow in emulated_apdu_from_guest",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
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      "title": "Qemu: usb: integer overflow in emulated_apdu_from_guest"
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    {
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          "names": [
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          ],
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        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1421626"
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        {
          "category": "description",
          "text": "The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.",
          "title": "Vulnerability description"
        },
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        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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        }
      ],
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          "details": "Low"
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      ],
      "title": "Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx"
    },
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        {
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          "title": "Vulnerability description"
        },
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          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "url": "https://access.redhat.com/errata/RHSA-2017:2392"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.0,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.0"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Qemu: usb: ehci host memory leakage during hotunplug"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Li Qiang"
          ],
          "organization": "Qihoo 360 Gear Team"
        }
      ],
      "cve": "CVE-2017-9375",
      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
      },
      "discovery_date": "2016-06-27T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1458744"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "QEMU (aka Quick Emulator), when built with USB xHCI controller emulator support, allows local guest OS privileged users to cause a denial of service (infinite recursive call) via vectors involving control transfer descriptors sequencing.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Qemu: usb: xhci infinite recursive call via xhci_kick_ep",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.9.0-14.el7.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-9375"
        },
        {
          "category": "external",
          "summary": "RHBZ#1458744",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1458744"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-9375",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-9375"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-9375",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9375"
        }
      ],
      "release_date": "2017-02-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2017-08-01T16:04:36+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2017:2392"
        }
      ],
      "scores": [
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          "cvss_v2": {
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            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
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            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.0,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.0"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Qemu: usb: xhci infinite recursive call via xhci_kick_ep"
    }
  ]
}