RHSA-2017:1856

Vulnerability from csaf_opensuse - Published: 2017-08-01 00:00 - Updated: 2026-09-20 10:59
Summary
security update for qemu-kvm
Severity
Moderate
Notes
Title of the patch: security update for qemu-kvm
Description of the patch: This security update provides a functional equivalent of RHSA-2017:1856. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2017:1856.
Patchnames: RHSA-2017:1856
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2016-4020
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 7:qemu-img-10:1.5.3-141.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:qemu-kvm-10:1.5.3-141.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:qemu-kvm-common-10:1.5.3-141.el7.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:qemu-kvm-tools-10:1.5.3-141.el7.x86_64 —
Vendor Fix
Threats
Impact low
CVE-2017-2633
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2016-4020
Threats
Impact low
CVE-2017-5898
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2016-4020
Threats
Impact moderate
References
To clipboard 

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          "text": "The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).",
          "title": "CVE description"
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        ]
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        {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
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            "SUSE Liberty Linux 7:qemu-kvm-10:1.5.3-141.el7.x86_64",
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          "date": "2017-08-01T00:00:00Z",
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      "title": "CVE-2016-4020"
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          "text": "https://www.suse.com/security/cve/CVE-2017-2633"
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      ],
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        {
          "category": "general",
          "text": "An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the \u0027vnc_refresh_server_surface\u0027. A user inside a guest could use this flaw to crash the QEMU process.",
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            "SUSE Liberty Linux 7:qemu-kvm-tools-10:1.5.3-141.el7.x86_64"
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        {
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            "SUSE Liberty Linux 7:qemu-kvm-10:1.5.3-141.el7.x86_64",
            "SUSE Liberty Linux 7:qemu-kvm-common-10:1.5.3-141.el7.x86_64",
            "SUSE Liberty Linux 7:qemu-kvm-tools-10:1.5.3-141.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2017-08-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2017-5898"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.