rhsa-2019_1968
Vulnerability from csaf_redhat
Published
2019-07-30 10:39
Modified
2024-11-05 21:14
Summary
Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update

Notes

Topic
An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 7. Red Hat Product Security has rated this update as having a Important security impact. 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.
Details
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. Security Fix(es): * CVE-2018-20815 QEMU: device_tree: heap buffer overflow while loading device tree blob * CVE-2019-6778 QEMU: slirp: heap buffer overflow in tcp_em This update fixes the following bug: * 1705364 RHV VM pauses when 'dd' issued inside guest to a direct lun configured as virtio-scsi with scsi-passthrough Users of qemu-kvm are advised to upgrade to these updated packages. After 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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat OpenStack Platform:                                                                                                                 \nThis flaw impacts KVM user-mode or SLIRP networking, which is not used in Red Hat OpenStack. Updating is recommended, however Red Hat OpenStack installs are not vulnerable to the described flaw due to the vulnerable feature not being used.",
          "title": "Statement"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-6778",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6778"
        }
      ],
      "release_date": "2019-01-11T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-30T10:39:57+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/2974891",
          "product_ids": [
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            "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.12.0-18.el7_6.7.src",
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            "7Server-RHV-S-4.2:qemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.x86_64",
            "7Server-RHV-S-4.2:qemu-kvm-tools-rhev-10:2.12.0-18.el7_6.7.x86_64",
            "7Server-RHV-S-4.3:qemu-img-rhev-10:2.12.0-18.el7_6.7.x86_64",
            "7Server-RHV-S-4.3:qemu-kvm-common-rhev-10:2.12.0-18.el7_6.7.x86_64",
            "7Server-RHV-S-4.3:qemu-kvm-rhev-10:2.12.0-18.el7_6.7.src",
            "7Server-RHV-S-4.3:qemu-kvm-rhev-10:2.12.0-18.el7_6.7.x86_64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:1968"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
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            "7Server-RHV-S-4.3:qemu-kvm-rhev-10:2.12.0-18.el7_6.7.src",
            "7Server-RHV-S-4.3:qemu-kvm-rhev-10:2.12.0-18.el7_6.7.x86_64",
            "7Server-RHV-S-4.3:qemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.7.x86_64",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "QEMU: slirp: heap buffer overflow in tcp_emu()"
    }
  ]
}


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