rhsa-2017_1681
Vulnerability from csaf_redhat
Published
2017-07-05 09:46
Modified
2024-11-05 20:05
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.
Red 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.
Details
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM.
Security Fix(es):
* Quick Emulator (QEMU) built with Network Block Device (NBD) Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client, which was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server (denial of service). (CVE-2017-9524)
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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The qemu-kvm package provides the user-space component for running virtual machines that use KVM.\n\nSecurity Fix(es):\n\n* Quick Emulator (QEMU) built with Network Block Device (NBD) Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client, which was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server (denial of service). (CVE-2017-9524)", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2017:1681", "url": "https://access.redhat.com/errata/RHSA-2017:1681" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1460170", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1460170" }, { "category": "self", "summary": "Canonical 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The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server (denial of service).", "title": "Vulnerability description" }, { "category": "summary", "text": "Qemu: nbd: segmentation fault due to client non-negotiation", "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": [ "7Client-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64", "7Client-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64le", "7Client-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.x86_64", "7Client-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.src", "7Client-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.x86_64", "7Client-7.3.Z:qemu-kvm-common-10:1.5.3-126.el7_3.10.x86_64", "7Client-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64", "7Client-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64le", "7Client-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.x86_64", "7Client-7.3.Z:qemu-kvm-tools-10:1.5.3-126.el7_3.10.x86_64", "7ComputeNode-optional-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64", "7ComputeNode-optional-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64le", "7ComputeNode-optional-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.x86_64", "7ComputeNode-optional-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.src", "7ComputeNode-optional-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.x86_64", "7ComputeNode-optional-7.3.Z:qemu-kvm-common-10:1.5.3-126.el7_3.10.x86_64", "7ComputeNode-optional-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64", "7ComputeNode-optional-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64le", "7ComputeNode-optional-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.x86_64", "7ComputeNode-optional-7.3.Z:qemu-kvm-tools-10:1.5.3-126.el7_3.10.x86_64", "7Server-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64", "7Server-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64le", "7Server-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.x86_64", "7Server-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.src", "7Server-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.x86_64", "7Server-7.3.Z:qemu-kvm-common-10:1.5.3-126.el7_3.10.x86_64", "7Server-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64", "7Server-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64le", "7Server-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.x86_64", "7Server-7.3.Z:qemu-kvm-tools-10:1.5.3-126.el7_3.10.x86_64", "7Workstation-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64", "7Workstation-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.ppc64le", "7Workstation-7.3.Z:qemu-img-10:1.5.3-126.el7_3.10.x86_64", "7Workstation-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.src", "7Workstation-7.3.Z:qemu-kvm-10:1.5.3-126.el7_3.10.x86_64", "7Workstation-7.3.Z:qemu-kvm-common-10:1.5.3-126.el7_3.10.x86_64", "7Workstation-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64", "7Workstation-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.ppc64le", "7Workstation-7.3.Z:qemu-kvm-debuginfo-10:1.5.3-126.el7_3.10.x86_64", "7Workstation-7.3.Z:qemu-kvm-tools-10:1.5.3-126.el7_3.10.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-9524" }, { "category": "external", "summary": "RHBZ#1460170", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1460170" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-9524", "url": "https://www.cve.org/CVERecord?id=CVE-2017-9524" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-9524", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9524" } ], "release_date": "2017-05-26T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-07-05T09:46:39+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. 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"7Workstation-7.3.Z:qemu-kvm-tools-10:1.5.3-126.el7_3.10.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "Qemu: nbd: segmentation fault due to client non-negotiation" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.