rhsa-2018_2404
Vulnerability from csaf_redhat
Published
2018-08-15 15:25
Modified
2024-11-05 20:42
Summary
Red Hat Security Advisory: rhev-hypervisor7 security update
Notes
Topic
An update for rhev-hypervisor7 is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 6 and RHEV 3.X Hypervisor and Agents Extended Lifecycle Support 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
The rhev-hypervisor7 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent.
Security Fix(es):
* Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimisation) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks. (CVE-2018-3620, CVE-2018-3646)
Red Hat would like to thank Intel OSSIRT (Intel.com) for reporting these issues.
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": "Important" }, "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 rhev-hypervisor7 is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 6 and RHEV 3.X Hypervisor and Agents Extended Lifecycle Support for Red Hat Enterprise Linux 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" }, { "category": "general", "text": "The rhev-hypervisor7 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent.\n\nSecurity Fix(es):\n\n* Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimisation) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks. (CVE-2018-3620, CVE-2018-3646)\n\nRed Hat would like to thank Intel OSSIRT (Intel.com) for reporting these issues.", "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-2018:2404", "url": "https://access.redhat.com/errata/RHSA-2018:2404" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/L1TF", "url": "https://access.redhat.com/security/vulnerabilities/L1TF" }, { "category": "external", "summary": "1585005", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1585005" }, { "category": "external", "summary": "1614065", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1614065" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2404.json" } ], "title": "Red Hat Security Advisory: rhev-hypervisor7 security update", "tracking": { "current_release_date": "2024-11-05T20:42:10+00:00", "generator": { "date": "2024-11-05T20:42:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2018:2404", "initial_release_date": "2018-08-15T15:25:12+00:00", "revision_history": [ { "date": "2018-08-15T15:25:12+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-08-15T15:25:12+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T20:42:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "RHEV Hypervisor for RHEL-6 ELS", "product": { "name": "RHEV Hypervisor for RHEL-6 ELS", "product_id": "6Server-RHEV-Hypervisor-ELS", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:6::hypervisor" } } }, { "category": "product_name", "name": "RHEL 7-based RHEV-H ELS", "product": { "name": "RHEL 7-based RHEV-H ELS", "product_id": "7Server-RHEV-Hypervisor-ELS-7", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor" } } } ], "category": "product_family", "name": "Red Hat Virtualization" }, { "branches": [ { "category": "product_version", "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "product": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "product_id": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/rhev-hypervisor7@7.3-20180813.0.el6ev?arch=src" } } }, { "category": "product_version", "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.src", "product": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.src", "product_id": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/rhev-hypervisor7@7.3-20180813.0.el7ev?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "product": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "product_id": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rhev-hypervisor7@7.3-20180813.0.el6ev?arch=noarch" } } }, { "category": "product_version", "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "product": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "product_id": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/rhev-hypervisor7@7.3-20180813.0.el7ev?arch=noarch" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch as a component of RHEV Hypervisor for RHEL-6 ELS", "product_id": "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch" }, "product_reference": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "relates_to_product_reference": "6Server-RHEV-Hypervisor-ELS" }, { "category": "default_component_of", "full_product_name": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.src as a component of RHEV Hypervisor for RHEL-6 ELS", "product_id": "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src" }, "product_reference": "rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "relates_to_product_reference": "6Server-RHEV-Hypervisor-ELS" }, { "category": "default_component_of", "full_product_name": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch as a component of RHEL 7-based RHEV-H ELS", "product_id": "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch" }, "product_reference": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "relates_to_product_reference": "7Server-RHEV-Hypervisor-ELS-7" }, { "category": "default_component_of", "full_product_name": { "name": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.src as a component of RHEL 7-based RHEV-H ELS", "product_id": "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" }, "product_reference": "rhev-hypervisor7-0:7.3-20180813.0.el7ev.src", "relates_to_product_reference": "7Server-RHEV-Hypervisor-ELS-7" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Intel OSSIRT" ], "organization": "Intel.com" } ], "cve": "CVE-2018-3620", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1585005" } ], "notes": [ { "category": "description", "text": "Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "Kernel: hw: cpu: L1 terminal fault (L1TF)", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 may address this issue.", "title": "Statement" }, { "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": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3620" }, { "category": "external", "summary": "RHBZ#1585005", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1585005" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3620", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3620" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3620", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3620" }, { "category": "external", "summary": "https://access.redhat.com/articles/3562741", "url": "https://access.redhat.com/articles/3562741" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/L1TF", "url": "https://access.redhat.com/security/vulnerabilities/L1TF" }, { "category": "external", "summary": "https://foreshadowattack.eu/", "url": "https://foreshadowattack.eu/" }, { "category": "external", "summary": "https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault", "url": "https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault" }, { "category": "external", "summary": "https://www.redhat.com/en/blog/deeper-look-l1-terminal-fault-aka-foreshadow", "url": "https://www.redhat.com/en/blog/deeper-look-l1-terminal-fault-aka-foreshadow" }, { "category": "external", "summary": "https://www.redhat.com/en/blog/understanding-l1-terminal-fault-aka-foreshadow-what-you-need-know", "url": "https://www.redhat.com/en/blog/understanding-l1-terminal-fault-aka-foreshadow-what-you-need-know" } ], "release_date": "2018-08-14T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-08-15T15:25:12+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/2974891", "product_ids": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:2404" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "Kernel: hw: cpu: L1 terminal fault (L1TF)" }, { "acknowledgments": [ { "names": [ "Intel OSSIRT" ], "organization": "Intel.com" } ], "cve": "CVE-2018-3646", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2018-03-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1585005" } ], "notes": [ { "category": "description", "text": "Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks.", "title": "Vulnerability description" }, { "category": "summary", "text": "Kernel: hw: cpu: L1 terminal fault (L1TF)", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 may address this issue.", "title": "Statement" }, { "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": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-3646" }, { "category": "external", "summary": "RHBZ#1585005", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1585005" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-3646", "url": "https://www.cve.org/CVERecord?id=CVE-2018-3646" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-3646", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3646" }, { "category": "external", "summary": "https://access.redhat.com/articles/3562741", "url": "https://access.redhat.com/articles/3562741" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/L1TF", "url": "https://access.redhat.com/security/vulnerabilities/L1TF" }, { "category": "external", "summary": "https://foreshadowattack.eu/", "url": "https://foreshadowattack.eu/" }, { "category": "external", "summary": "https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault", "url": "https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault" }, { "category": "external", "summary": "https://www.redhat.com/en/blog/deeper-look-l1-terminal-fault-aka-foreshadow", "url": "https://www.redhat.com/en/blog/deeper-look-l1-terminal-fault-aka-foreshadow" }, { "category": "external", "summary": "https://www.redhat.com/en/blog/understanding-l1-terminal-fault-aka-foreshadow-what-you-need-know", "url": "https://www.redhat.com/en/blog/understanding-l1-terminal-fault-aka-foreshadow-what-you-need-know" } ], "release_date": "2018-08-14T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-08-15T15:25:12+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/2974891", "product_ids": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2018:2404" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.noarch", "6Server-RHEV-Hypervisor-ELS:rhev-hypervisor7-0:7.3-20180813.0.el6ev.src", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.noarch", "7Server-RHEV-Hypervisor-ELS-7:rhev-hypervisor7-0:7.3-20180813.0.el7ev.src" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "Kernel: hw: cpu: L1 terminal fault (L1TF)" } ] }
Loading...
Loading...
- 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.