rhsa-2021_3364
Vulnerability from csaf_redhat
Published
2021-08-31 09:26
Modified
2024-11-05 23:53
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 8.2 Extended User Support.
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
The microcode_ctl packages provide microcode updates for Intel.
Security Fix(es):
* hw: Vector Register Data Sampling (CVE-2020-0548)
* hw: L1D Cache Eviction Sampling (CVE-2020-0549)
* hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
* hw: Information disclosure issue in Intel SGX via RAPL interface
(CVE-2020-8695)
* hw: Vector Register Leakage-Active (CVE-2020-8696)
* hw: Fast forward store predictor (CVE-2020-8698)
* 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)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
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 microcode_ctl is now available for Red Hat Enterprise Linux 8.2 Extended User Support.\n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe 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: Vector Register Data Sampling (CVE-2020-0548)\n\n* hw: L1D Cache Eviction Sampling (CVE-2020-0549)\n\n* hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)\n\n* hw: Information disclosure issue in Intel SGX via RAPL interface\n(CVE-2020-8695)\n\n* hw: Vector Register Leakage-Active (CVE-2020-8696)\n\n* hw: Fast forward store predictor (CVE-2020-8698)\n\n* hw: vt-d related privilege escalation (CVE-2020-24489)\n\n* hw: improper isolation of shared resources in some Intel Processors\n(CVE-2020-24511)\n\n* hw: observable timing discrepancy in some Intel Processors\n(CVE-2020-24512)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section.", "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-2021:3364", "url": "https://access.redhat.com/errata/RHSA-2021:3364" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1788786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788786" }, { "category": "external", "summary": "1788788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788788" }, { "category": "external", "summary": "1827165", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827165" }, { "category": "external", "summary": "1828583", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1828583" }, { "category": "external", "summary": "1890355", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890355" }, { "category": "external", "summary": "1890356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890356" }, { "category": "external", "summary": "1962650", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962650" }, { "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": "external", "summary": "1972326", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1972326" }, { "category": "external", "summary": "1972329", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1972329" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3364.json" } ], "title": "Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update", "tracking": { "current_release_date": "2024-11-05T23:53:34+00:00", "generator": { "date": "2024-11-05T23:53:34+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2021:3364", "initial_release_date": "2021-08-31T09:26:30+00:00", "revision_history": [ { "date": "2021-08-31T09:26:30+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-08-31T09:26:30+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T23:53:34+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-4:20191115-4.20210608.1.el8_2.src", "product": { "name": "microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "product_id": "microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@20191115-4.20210608.1.el8_2?arch=src\u0026epoch=4" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64", "product": { "name": "microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64", "product_id": "microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@20191115-4.20210608.1.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-4:20191115-4.20210608.1.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-4:20191115-4.20210608.1.el8_2.src" }, "product_reference": "microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "relates_to_product_reference": "BaseOS-8.2.0.Z.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20191115-4.20210608.1.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-4:20191115-4.20210608.1.el8_2.x86_64" }, "product_reference": "microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64", "relates_to_product_reference": "BaseOS-8.2.0.Z.EUS" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-0543", "discovery_date": "2020-04-23T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1827165" } ], "notes": [ { "category": "description", "text": "A new domain bypass transient execution attack known as Special Register Buffer Data Sampling (SRBDS) has been found. This flaw allows data values from special internal registers to be leaked by an attacker able to execute code on any core of the CPU. An unprivileged, local attacker can use this flaw to infer values returned by affected instructions known to be commonly used during cryptographic operations that rely on uniqueness, secrecy, or both.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: Special Register Buffer Data Sampling (SRBDS)", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/solutions/5142691", "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": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-0543" }, { "category": "external", "summary": "RHBZ#1827165", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827165" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-0543", "url": "https://www.cve.org/CVERecord?id=CVE-2020-0543" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-0543", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0543" }, { "category": "external", "summary": "https://access.redhat.com/solutions/5142691", "url": "https://access.redhat.com/solutions/5142691" }, { "category": "external", "summary": "https://access.redhat.com/solutions/5142751", "url": "https://access.redhat.com/solutions/5142751" }, { "category": "external", "summary": "https://blogs.intel.com/technology/2020/06/ipas-security-advisories-for-june-2020/#gs.6uyhri", "url": "https://blogs.intel.com/technology/2020/06/ipas-security-advisories-for-june-2020/#gs.6uyhri" }, { "category": "external", "summary": "https://software.intel.com/security-software-guidance/insights/deep-dive-special-register-buffer-data-sampling", "url": "https://software.intel.com/security-software-guidance/insights/deep-dive-special-register-buffer-data-sampling" }, { "category": "external", "summary": "https://xenbits.xen.org/xsa/advisory-320.html", "url": "https://xenbits.xen.org/xsa/advisory-320.html" } ], "release_date": "2020-06-09T17:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" }, { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: Special Register Buffer Data Sampling (SRBDS)" }, { "cve": "CVE-2020-0548", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2020-01-08T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1788786" } ], "notes": [ { "category": "description", "text": "A flaw was found in Intel processors where a local attacker is able to gain information about registers used for vector calculations by observing register states from other processes running on the system. This results in a race condition where store buffers, which were not cleared, could be read by another process or a CPU sibling. The highest threat from this vulnerability is data confidentiality where an attacker could read arbitrary data as it passes through the processor.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: Vector Register Data Sampling", "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-0548" }, { "category": "external", "summary": "RHBZ#1788786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788786" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-0548", "url": "https://www.cve.org/CVERecord?id=CVE-2020-0548" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-0548", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0548" }, { "category": "external", "summary": "https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling", "url": "https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling" }, { "category": "external", "summary": "https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/", "url": "https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/" }, { "category": "external", "summary": "https://cacheoutattack.com/CacheOut.pdf", "url": "https://cacheoutattack.com/CacheOut.pdf" }, { "category": "external", "summary": "https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling", "url": "https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling" } ], "release_date": "2020-01-27T13:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "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:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.0" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "hw: Vector Register Data Sampling" }, { "cve": "CVE-2020-0549", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2020-01-08T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1788788" } ], "notes": [ { "category": "description", "text": "A microarchitectural timing flaw was found on some Intel processors. A corner case exists where data in-flight during the eviction process can end up in the \u201cfill buffers\u201d and not properly cleared by the MDS mitigations. The fill buffer contents (which were expected to be blank) can be inferred using MDS or TAA style attack methods to allow a local attacker to infer fill buffer values.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: L1D Cache Eviction Sampling", "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-0549" }, { "category": "external", "summary": "RHBZ#1788788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788788" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-0549", "url": "https://www.cve.org/CVERecord?id=CVE-2020-0549" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-0549", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0549" }, { "category": "external", "summary": "https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling", "url": "https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling" }, { "category": "external", "summary": "https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/", "url": "https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/" }, { "category": "external", "summary": "https://cacheoutattack.com/CacheOut.pdf", "url": "https://cacheoutattack.com/CacheOut.pdf" }, { "category": "external", "summary": "https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling", "url": "https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling" } ], "release_date": "2020-01-27T13:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.0" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: L1D Cache Eviction Sampling" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-8695", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2020-04-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1828583" } ], "notes": [ { "category": "description", "text": "A vulnerability was found in Intel\u0027s implementation of RAPL (Running Average Power Limit). An attacker with a local account could query the power management functionality to intelligently infer SGX enclave computation values by measuring power usage in the RAPL subsystem.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: Information disclosure issue in Intel SGX via RAPL interface", "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-8695" }, { "category": "external", "summary": "RHBZ#1828583", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1828583" }, { "category": "external", "summary": "RHSB-5569051", "url": "https://access.redhat.com/articles/5569051" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8695", "url": "https://www.cve.org/CVERecord?id=CVE-2020-8695" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8695", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8695" }, { "category": "external", "summary": "https://en.wikipedia.org/wiki/Power_analysis", "url": "https://en.wikipedia.org/wiki/Power_analysis" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html" } ], "release_date": "2020-11-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" }, { "category": "workaround", "details": "Until a firmware update and reboot can be applied, the attack vector can be reduced by limiting read access to the sysfs attributes that export this functionality to userspace. \n\nThe command:\n~~~\nsudo chmod 400 /sys/class/powercap/intel_rapl/*/energy_uj\n~~~\nWill do this for the current boot, it will need to be scripted to run at each boot to remain persistent across reboots.", "product_ids": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: Information disclosure issue in Intel SGX via RAPL interface" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-8696", "cwe": { "id": "CWE-212", "name": "Improper Removal of Sensitive Information Before Storage or Transfer" }, "discovery_date": "2020-10-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1890355" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Intel Advanced Vector Extensions (AVX) implementation, where a local authenticated attacker with the ability to execute AVX instructions can gather the AVX register state from previous AVX executions. This vulnerability allows information disclosure of the AVX register state.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: Vector Register Leakage-Active", "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-8696" }, { "category": "external", "summary": "RHBZ#1890355", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890355" }, { "category": "external", "summary": "RHSB-5569051", "url": "https://access.redhat.com/articles/5569051" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8696", "url": "https://www.cve.org/CVERecord?id=CVE-2020-8696" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8696", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8696" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html" } ], "release_date": "2020-11-10T13:55:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: Vector Register Leakage-Active" }, { "acknowledgments": [ { "names": [ "Intel" ] } ], "cve": "CVE-2020-8698", "cwe": { "id": "CWE-212", "name": "Improper Removal of Sensitive Information Before Storage or Transfer" }, "discovery_date": "2020-10-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1890356" } ], "notes": [ { "category": "description", "text": "A flaw was found in the CPU microarchitecture where a local attacker is able to abuse a timing issue which may allow them to infer internal architectural state from previous executions on the CPU.", "title": "Vulnerability description" }, { "category": "summary", "text": "hw: Fast forward store predictor", "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-8698" }, { "category": "external", "summary": "RHBZ#1890356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890356" }, { "category": "external", "summary": "RHSB-5569051", "url": "https://access.redhat.com/articles/5569051" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8698", "url": "https://www.cve.org/CVERecord?id=CVE-2020-8698" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8698", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8698" }, { "category": "external", "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html" } ], "release_date": "2020-11-10T13:55:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "hw: Fast forward store predictor" }, { "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.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": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.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": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.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": "2021-08-31T09:26:30+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant 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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:3364" } ], "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-4:20191115-4.20210608.1.el8_2.src", "BaseOS-8.2.0.Z.EUS:microcode_ctl-4:20191115-4.20210608.1.el8_2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "hw: observable timing discrepancy in some Intel 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.
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