{ "document": { "aggregate_severity": { "text": "Low" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "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 Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/centos8.5els/vex/2023/cve-2023-45733-els_os-centos8_5els.json" } ], "tracking": { "current_release_date": "2026-06-05T20:45:45Z", "generator": { "date": "2026-06-05T20:45:45Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-45733-ELS_OS-CENTOS8.5ELS", "initial_release_date": "2023-01-01T00:00:00Z", "revision_history": [ { "date": "2023-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-06-04T20:45:53Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-06-05T20:45:45Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "3" }, "title": "Security update on CVE-2023-45733" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 8.5", "product": { "name": "Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:8.5:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" }, { "branches": [ { "category": "product_version", "name": "microcode_ctl-4:20240813-1.el8.x86_64", "product": { "name": "microcode_ctl-4:20240813-1.el8.x86_64", "product_id": "microcode_ctl-4:20240813-1.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/centos/microcode_ctl@20240813-1.el8?arch=x86_64&epoch=4" } } }, { "category": "product_version", "name": "microcode_ctl-4:20251111-1.el8.x86_64", "product": { "name": "microcode_ctl-4:20251111-1.el8.x86_64", 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"CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64" }, "product_reference": "microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64" }, "product_reference": "microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20230512-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": 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"default_component_of", "full_product_name": { "name": "microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64" }, "product_reference": "microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20240813-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20240813-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20240813-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20251111-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20251111-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20251111-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20250512-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20250512-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20250512-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20230512-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20230512-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20230512-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20231114-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20231114-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20231114-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20230214-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20230214-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20230214-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-4:20250211-1.el8.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:microcode_ctl-4:20250211-1.el8.x86_64" }, "product_reference": "microcode_ctl-4:20250211-1.el8.x86_64", "relates_to_product_reference": "CentOS-8.5" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-45733", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "notes": [ { "category": "description", "text": "Hardware logic contains race conditions in some Intel(R) Processors may allow an authenticated user to potentially enable partial information disclosure via local access.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_affected": [ "CentOS-8.5:microcode_ctl-4:20230214-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230214-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-45733" } ], "release_date": "2024-05-14T00:00:00Z", "remediations": [ { "category": "no_fix_planned", "date": "2026-06-05T20:39:45.609517Z", "details": "CVE-2023-45733 is a local-only, high‑complexity hardware race condition that requires an already‑authenticated user and yields only partial information disclosure, with no integrity or availability impact. Intel classifies it as Low severity and has microcode mitigations available, which further reduces practical risk. The vendor’s affected products list centers on client-class Core (Alder/Raptor/Meteor Lake) and select Atom lines—Xeon server processors are not listed—so CPUs typically used in centrally managed enterprise VM hosts are outside the stated scope.", "product_ids": [ "CentOS-8.5:microcode_ctl-4:20230214-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230214-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.x86_64" ] } ], "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": [ "CentOS-8.5:microcode_ctl-4:20230214-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230214-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20230512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20231114-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20240813-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250211-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20250512-1.el8.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.tuxcare.els1.x86_64", "CentOS-8.5:microcode_ctl-4:20251111-1.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ] } ] }