{
  "fix": "ALAS2023-2025-1209",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1209",
  "summary": "ALAS2023-2025-1209, released September 23, 2025, fixes 5 CVEs in microcode_ctl (version 2:2.1-53.amzn2023.0.14). None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "linux",
  "type": "advisory",
  "title": "microcode_ctl security update",
  "released": "2025-09-23T23:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 5 CVEs, none high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00199,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2025-1209.html",
  "appliesTo": [
    {
      "product": "microcode_ctl",
      "productUrl": "https://patchblox.com/security/product/linux/microcode-ctl",
      "release": "amzn 2023",
      "fixedVersion": "2:2.1-53.amzn2023.0.14",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-22839",
      "url": "https://patchblox.com/security/cve/CVE-2025-22839",
      "title": "intel-microcode: Insufficient granularity of access control in the OOB-MSM for some Intel(R)Xeon(R) 6 Scalable processors may allow a...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00199,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-22889",
      "url": "https://patchblox.com/security/cve/CVE-2025-22889",
      "title": "intel-microcode: Improper handling of overlap between protected memory ranges for someIntel(R) Xeon(R) 6 processor with Intel(R) TDX m...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-26403",
      "url": "https://patchblox.com/security/cve/CVE-2025-26403",
      "title": "intel-microcode: Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6processors when using Intel(R) SGX or Intel(R)...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0015,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-32086",
      "url": "https://patchblox.com/security/cve/CVE-2025-32086",
      "title": "intel-microcode: Improperly implemented security check for standard in the DDRIOconfiguration for some Intel(R) Xeon(R) 6 Processors w...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0015,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-22840",
      "url": "https://patchblox.com/security/cve/CVE-2025-22840",
      "title": "intel-microcode: Sequence of processor instructions leads to unexpected behavior for someIntel(R) Xeon(R) 6 Scalable processors may al...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00145,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}