{ "document": { "aggregate_severity": { "text": "Medium" }, "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/rhel7els/vex/2023/cve-2023-43490-els_os-rhel7els.json" } ], "tracking": { "current_release_date": "2026-07-28T15:54:11Z", "generator": { "date": "2026-07-28T15:54:11Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2023-43490-ELS_OS-RHEL7ELS", "initial_release_date": "2023-01-01T00:00:00Z", "revision_history": [ { "date": "2023-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-07-28T15:54:11Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on CVE-2023-43490" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 7", "product": { "name": "Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7", "product_identification_helper": { "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "microcode_ctl-2:2.1-73.25.el7_9.x86_64", "product": { "name": "microcode_ctl-2:2.1-73.25.el7_9.x86_64", "product_id": "microcode_ctl-2:2.1-73.25.el7_9.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@2.1-73.25.el7_9?arch=x86_64&epoch=2" } } }, { "category": "product_version", "name": "microcode_ctl-2:2.1-73.26.el7_9.x86_64", "product": { "name": "microcode_ctl-2:2.1-73.26.el7_9.x86_64", "product_id": "microcode_ctl-2:2.1-73.26.el7_9.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/microcode_ctl@2.1-73.26.el7_9?arch=x86_64&epoch=2" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "product": { "name": "microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "product_id": "microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/microcode_ctl@2.1-73.25.el7_9.tuxcare.els1?arch=x86_64&epoch=2" } } }, { "category": "product_version", "name": "microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "product": { "name": "microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "product_id": "microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/microcode_ctl@2.1-73.26.el7_9.tuxcare.els1?arch=x86_64&epoch=2" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64" }, "product_reference": "microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-2:2.1-73.25.el7_9.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.x86_64" }, "product_reference": "microcode_ctl-2:2.1-73.25.el7_9.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64" }, "product_reference": "microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "microcode_ctl-2:2.1-73.26.el7_9.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.x86_64" }, "product_reference": "microcode_ctl-2:2.1-73.26.el7_9.x86_64", "relates_to_product_reference": "Red-Hat-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-43490", "cwe": { "id": "CWE-682", "name": "Incorrect Calculation" }, "notes": [ { "category": "description", "text": "Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R) SGX may allow a privileged user to potentially enable 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": [ "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2023-43490" } ], "release_date": "2024-02-14T00:00:00Z", "remediations": [ { "category": "no_fix_planned", "date": "2026-07-28T11:56:45.897252Z", "details": "This issue only applies to certain Intel Xeon D processors and only when Intel SGX is explicitly enabled and exposed; systems where SGX is not enabled in firmware or not presented to guest VMs are unaffected. Exploitation requires a local attacker who already has high privileges and is rated high complexity, which greatly reduces practical attackability. Because the impact is limited to potential disclosure of SGX enclave data (no integrity or availability effect), it is reasonable to deprioritize relative to remotely exploitable or unprivileged vulnerabilities.", "product_ids": [ "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" }, "products": [ "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.25.el7_9.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.tuxcare.els1.x86_64", "Red-Hat-7:microcode_ctl-2:2.1-73.26.el7_9.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ] } ] }