rhsa-2018:2855
Vulnerability from csaf_redhat
Published
2018-10-02 19:01
Modified
2025-08-03 17:05
Summary
Red Hat Security Advisory: openstack-nova security and bug fix update
Notes
Topic
An update for openstack-nova is now available for Red Hat OpenStack Platform 9.0 (Mitaka).
Red Hat Product Security has rated this update as having a security impact of Moderate. 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
OpenStack Compute (nova) launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects.
Security Fix(es):
* openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host (CVE-2017-18191)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* This update fixes a race condition that could generate error messages and cause migration failures during nova live migrations.
Prior to this update, if a domain was already cleaned out by periodic tasks, undefining the domain source during a live migration sometimes generated a "Domain not found (Code=42)" error. (BZ#1614325)
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for openstack-nova is now available for Red Hat OpenStack Platform 9.0 (Mitaka).\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. 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" }, { "category": "general", "text": "OpenStack Compute (nova) launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances and controlling access through users and projects.\n\nSecurity Fix(es):\n\n* openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host (CVE-2017-18191)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* This update fixes a race condition that could generate error messages and cause migration failures during nova live migrations. \n\nPrior to this update, if a domain was already cleaned out by periodic tasks, undefining the domain source during a live migration sometimes generated a \"Domain not found (Code=42)\" error. (BZ#1614325)", "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-2018:2855", "url": "https://access.redhat.com/errata/RHSA-2018:2855" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1545330", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1545330" }, { "category": "external", "summary": "1546937", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1546937" }, { "category": "external", "summary": "1569952", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1569952" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2855.json" } ], "title": "Red Hat Security Advisory: openstack-nova security and bug fix update", "tracking": { "current_release_date": "2025-08-03T17:05:32+00:00", "generator": { "date": "2025-08-03T17:05:32+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.6.6" } }, "id": "RHSA-2018:2855", "initial_release_date": "2018-10-02T19:01:23+00:00", "revision_history": [ { "date": "2018-10-02T19:01:23+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-10-02T19:01:23+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2025-08-03T17:05:32+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, 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"default_component_of", "full_product_name": { "name": "python-nova-tests-1:13.1.4-24.el7ost.noarch as a component of Red Hat OpenStack Platform 9.0", "product_id": "7Server-RH7-RHOS-9.0:python-nova-tests-1:13.1.4-24.el7ost.noarch" }, "product_reference": "python-nova-tests-1:13.1.4-24.el7ost.noarch", "relates_to_product_reference": "7Server-RH7-RHOS-9.0" } ] }, "vulnerabilities": [ { "cve": "CVE-2017-18191", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "discovery_date": "2018-02-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1546937" } ], "notes": [ { "category": "description", "text": "OpenStack Nova has a vulnerability in the handling of encrypted volumes. By detaching and reattaching an encrypted volume, an attacker may access the underlying raw volume and corrupt the LUKS header, resulting in a denial of service attack on the compute host. All Nova installations supporting encrypted volumes are affected.", "title": "Vulnerability description" }, { "category": "summary", "text": "openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host", "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": [ "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.src", "7Server-RH7-RHOS-9.0:openstack-nova-api-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cells-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cert-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-common-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-compute-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-conductor-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-console-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-migration-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-network-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-novncproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-scheduler-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-serialproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-spicehtml5proxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-tests-1:13.1.4-24.el7ost.noarch" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-18191" }, { "category": "external", "summary": "RHBZ#1546937", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1546937" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-18191", "url": "https://www.cve.org/CVERecord?id=CVE-2017-18191" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-18191", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18191" } ], "release_date": "2018-02-19T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-10-02T19:01:23+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", "product_ids": [ "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.src", "7Server-RH7-RHOS-9.0:openstack-nova-api-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cells-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cert-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-common-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-compute-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-conductor-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-console-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-migration-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-network-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-novncproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-scheduler-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-serialproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-spicehtml5proxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-tests-1:13.1.4-24.el7ost.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:2855" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.0" }, "products": [ "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-1:13.1.4-24.el7ost.src", "7Server-RH7-RHOS-9.0:openstack-nova-api-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cells-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-cert-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-common-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-compute-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-conductor-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-console-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-migration-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-network-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-novncproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-scheduler-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-serialproxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:openstack-nova-spicehtml5proxy-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-1:13.1.4-24.el7ost.noarch", "7Server-RH7-RHOS-9.0:python-nova-tests-1:13.1.4-24.el7ost.noarch" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "openstack-nova: Swapping encrypted volumes can allow an attacker to corrupt the LUKS header causing a denial of service in the host" } ] }
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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.
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