{
  "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"
      }
    ],
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      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
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        "url": "https://security.tuxcare.com/csaf/v2/els_os/centos-stream8els/vex/2023/cve-2023-43490-els_os-centos-stream8els.json"
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      "generator": {
        "date": "2026-06-06T01:40:13Z",
        "engine": {
          "name": "pyCSAF"
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      "id": "CVE-2023-43490-ELS_OS-CENTOS-STREAM8ELS",
      "initial_release_date": "2023-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2023-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-04T20:39:29Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-06-06T01:40:13Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2023-43490"
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    {
      "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"
        }
      ],
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          "CentOS-Stream-8:microcode_ctl-4:20250211-2.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:microcode_ctl-4:20250211-2.el8.x86_64",
          "CentOS-Stream-8:microcode_ctl-4:20250512-2.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:microcode_ctl-4:20250512-2.el8.x86_64",
          "CentOS-Stream-8:microcode_ctl-4:20251111-2.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:microcode_ctl-4:20251111-2.el8.x86_64"
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          "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": "2026-06-05T20:39:41.835966Z",
          "details": "This issue only affects certain Intel Xeon D systems with Intel SGX present and enabled; environments on other CPU families or virtualized workloads without SGX passthrough are not exposed. Exploitation requires local access with high privileges and has high attack complexity, and the impact is limited to confidentiality with no integrity or availability effect. Given these conditions, it represents low practical risk for centrally managed enterprise servers and VMs and can be safely deprioritized.",
          "product_ids": [
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            "CentOS-Stream-8:microcode_ctl-4:20240910-2.el8.x86_64",
            "CentOS-Stream-8:microcode_ctl-4:20250211-2.el8.tuxcare.els1.x86_64",
            "CentOS-Stream-8:microcode_ctl-4:20250211-2.el8.x86_64",
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        {
          "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"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}