{
  "fix": "ALAS2023-2024-559",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2024-559",
  "summary": "ALAS2023-2024-559, released March 13, 2024, fixes 2 CVEs in microcode_ctl (version 2:2.1-53.amzn2023.0.5). None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "linux",
  "type": "advisory",
  "title": "microcode_ctl security update",
  "released": "2024-03-13T11:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 2 CVEs, none high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00757,
  "maxCvss": 6.5,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2024-559.html",
  "appliesTo": [
    {
      "product": "microcode_ctl",
      "productUrl": "https://patchblox.com/security/product/linux/microcode-ctl",
      "release": "amzn 2023",
      "fixedVersion": "2:2.1-53.amzn2023.0.5",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-39368",
      "url": "https://patchblox.com/security/cve/CVE-2023-39368",
      "title": "microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* kernel: loca...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00757,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38575",
      "url": "https://patchblox.com/security/cve/CVE-2023-38575",
      "title": "microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* kernel: loca...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}