{
  "cveId": "CVE-2023-38575",
  "url": "https://patchblox.com/security/cve/CVE-2023-38575",
  "summary": "CVE-2023-38575 is fixed in 2 products on 1 platform, first by ALAS2023-2024-559, released March 13, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* kernel: loca...",
  "description": "The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* kernel: local privilege escalation on Intel microcode on Intel(R) Xeon(R) (CVE-2023-22655)\n\n* kernel: Local information disclosure on Intel(R) Atom(R) processors (CVE-2023-28746)\n\n* kernel: Local information disclosure in some Intel(R) processors (CVE-2023-38575)\n\n* kernel: Possible Denial of Service on Intel(R) Processors (CVE-2023-39368)\n\n* kernel: Local information disclosure on Intel(R) Xeon(R) D processors with Intel(R) SGX due to incorrect calculation in microcode (CVE-2023-43490)\n\n* intel-microcode: Race conditions in some Intel(R) Processors (CVE-2023-45733)\n\n* intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors (CVE-2023-46103)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from the References section.",
  "published": "2024-03-11T17:00:00Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.00271,
  "epssPercentile": 0.19472,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.20240312.1~deb12u1",
      "fix": "DEBIAN-CVE-2023-38575",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-38575",
      "released": "2024-03-14T17:15:51Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.20240312.1",
      "fix": "DEBIAN-CVE-2023-38575",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-38575",
      "released": "2024-03-14T17:15:51Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 14",
      "fixedVersion": "3.20240312.1",
      "fix": "DEBIAN-CVE-2023-38575",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-38575",
      "released": "2024-03-14T17:15:51Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.20240514.0ubuntu0.18.04.1\u002Besm1",
      "fix": "intel-microcode 3.20240514.0ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-intel-microcode-3.20240514.0ubuntu0.18.04.1-esm1",
      "released": "2024-05-16T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.20240514.0ubuntu0.20.04.1",
      "fix": "intel-microcode 3.20240514.0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-intel-microcode-3.20240514.0ubuntu0.20.04.1",
      "released": "2024-05-16T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.20240514.0ubuntu0.22.04.1",
      "fix": "intel-microcode 3.20240514.0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-intel-microcode-3.20240514.0ubuntu0.22.04.1",
      "released": "2024-05-16T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "microcode_ctl",
      "release": "RHEL 9",
      "fixedVersion": "4:20240910-1.el9_5",
      "fix": "RHSA-2024:9401",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-9401",
      "released": "2024-11-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "microcode_ctl",
      "release": "almalinux 9",
      "fixedVersion": "4:20240910-1.el9_5",
      "fix": "ALSA-2024:9401",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-9401",
      "released": "2024-11-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "microcode_ctl",
      "release": "amzn 2023",
      "fixedVersion": "2:2.1-53.amzn2023.0.5",
      "fix": "ALAS2023-2024-559",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-559",
      "released": "2024-03-13T11:00:00Z"
    },
    {
      "platform": "linux",
      "product": "microcode_ctl",
      "release": "ol 9",
      "fixedVersion": "4:20240910-1.0.1.el9_5",
      "fix": "ELSA-2024-9401",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-9401",
      "released": "2024-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "microcode_ctl",
      "release": "rocky 9",
      "fixedVersion": "4:20240910-1.el9_5",
      "fix": "RLSA-2024:9401",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2024-9401",
      "released": "2025-03-17T20:16:43Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}