rhsa-2021_2307
Vulnerability from csaf_redhat
Published
2021-06-09 01:45
Modified
2024-11-05 23:41
Summary
Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update
Notes
Topic
An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.
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 microcode_ctl packages provide microcode updates for Intel.
Security Fix(es):
* hw: vt-d related privilege escalation (CVE-2020-24489)
* hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)
* hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)
* hw: information disclosure on some Intel Atom processors (CVE-2020-24513)
Bug Fix(es) and Enhancement(s):
* Update Intel CPU microcode to microcode-20210525 release
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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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 microcode_ctl packages provide microcode updates for Intel.\n\nSecurity Fix(es):\n\n* hw: vt-d related privilege escalation (CVE-2020-24489)\n\n* hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)\n\n* hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)\n\n* hw: information disclosure on some Intel Atom processors (CVE-2020-24513)\n\nBug Fix(es) and Enhancement(s):\n\n* Update Intel CPU microcode to microcode-20210525 release", "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-2021:2307", "url": "https://access.redhat.com/errata/RHSA-2021:2307" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1962650", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962650" }, { "category": "external", "summary": "1962666", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962666" }, { "category": "external", "summary": "1962702", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962702" }, { "category": "external", "summary": "1962722", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962722" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2307.json" } ], "title": "Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update", "tracking": { "current_release_date": "2024-11-05T23:41:32+00:00", "generator": { "date": "2024-11-05T23:41:32+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2021:2307", "initial_release_date": "2021-06-09T01:45:23+00:00", "revision_history": [ { "date": "2021-06-09T01:45:23+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-06-09T01:45:23+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T23:41:32+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux BaseOS EUS (v. 8.2)", "product": { "name": "Red Hat Enterprise Linux BaseOS EUS (v. 8.2)", "product_id": "BaseOS-8.2.0.Z.EUS", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_eus:8.2::baseos" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "product": { "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "product_id": "microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@20191115-4.20210525.1.el8_2?arch=src\u0026epoch=4" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64", "product": { "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64", "product_id": "microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@20191115-4.20210525.1.el8_2?arch=x86_64\u0026epoch=4" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.src as a component of Red Hat Enterprise Linux BaseOS EUS (v. 8.2)", "product_id": "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src" }, "product_reference": "microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "relates_to_product_reference": "BaseOS-8.2.0.Z.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v. 8.2)", "product_id": "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" }, "product_reference": "microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64", "relates_to_product_reference": "BaseOS-8.2.0.Z.EUS" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-24489", "cwe": { "id": "CWE-459", "name": "Incomplete Cleanup" }, "discovery_date": "2021-05-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1962650" } ], "notes": [ { "category": "description", "text": "A flaw was found in Intel\u00ae VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: vt-d related privilege escalation", "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": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-24489" }, { "category": "external", "summary": "RHBZ#1962650", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962650" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24489", "url": "https://www.cve.org/CVERecord?id=CVE-2020-24489" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24489", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24489" } ], "release_date": "2021-06-08T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-06-09T01:45:23+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:2307" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "hw: vt-d related privilege escalation" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-24511", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2021-05-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1962702" } ], "notes": [ { "category": "description", "text": "Microcode misconfiguration in some Intel processors may cause EIBRS mitigation (CVE-2017-5715) to be incomplete. As a consequence, this issue may allow an authenticated user to potentially enable information disclosure via local access.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: improper isolation of shared resources in some Intel Processors", "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": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-24511" }, { "category": "external", "summary": "RHBZ#1962702", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962702" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24511", "url": "https://www.cve.org/CVERecord?id=CVE-2020-24511" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24511", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24511" } ], "release_date": "2021-06-08T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-06-09T01:45:23+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:2307" } ], "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:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: improper isolation of shared resources in some Intel Processors" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-24512", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2021-05-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1962722" } ], "notes": [ { "category": "description", "text": "Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: observable timing discrepancy in some Intel Processors", "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": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-24512" }, { "category": "external", "summary": "RHBZ#1962722", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962722" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24512", "url": "https://www.cve.org/CVERecord?id=CVE-2020-24512" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24512", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24512" } ], "release_date": "2021-06-08T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-06-09T01:45:23+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:2307" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "hw: observable timing discrepancy in some Intel Processors" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-24513", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2021-05-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1962666" } ], "notes": [ { "category": "description", "text": "A potential domain bypass transient execution vulnerability was discovered on some Intel Atom\u00ae processors that uses a microarchitectural incidental channel. Currently this channel can reveal supervisor data in the L1 cache and the contents of recent stores. As a consequence, this issue may allow an authenticated user to potentially enable information disclosure via local access.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: information disclosure on some Intel Atom processors", "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": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-24513" }, { "category": "external", "summary": "RHBZ#1962666", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962666" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24513", "url": "https://www.cve.org/CVERecord?id=CVE-2020-24513" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24513", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24513" } ], "release_date": "2021-06-08T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-06-09T01:45:23+00:00", "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:2307" } ], "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:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210525.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: information disclosure on some Intel Atom processors" } ] }
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- 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.