{
  "fix": "ALAS2023-2023-409",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2023-409",
  "summary": "ALAS2023-2023-409, released October 30, 2023, fixes 2 CVEs across 24 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 24 packages",
  "released": "2023-10-30T23:44:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-4692, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0054,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2023-409.html",
  "appliesTo": [
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    {
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      "supported": true
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    {
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      "release": "amzn 2023",
      "fixedVersion": "1:2.06-61.amzn2023.0.8",
      "supported": true
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    {
      "product": "grub2-efi-aa64-cdboot",
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    {
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      "supported": true
    },
    {
      "product": "grub2-efi-aa64-modules",
      "productUrl": "https://patchblox.com/security/product/linux/grub2-efi-aa64-modules",
      "release": "amzn 2023",
      "fixedVersion": "1:2.06-61.amzn2023.0.8",
      "supported": true
    },
    {
      "product": "grub2-efi-x64",
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    },
    {
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    },
    {
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    },
    {
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      "release": "amzn 2023",
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      "supported": true
    },
    {
      "product": "grub2-emu",
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    {
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    {
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    {
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    {
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  ],
  "cves": [
    {
      "cveId": "CVE-2023-4692",
      "url": "https://patchblox.com/security/cve/CVE-2023-4692",
      "title": "grub-efi-amd64-bin: An out-of-bounds write flaw was found in grub2\u0027s NTFS filesystem driver.This issue may allow an attacker to present a...",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.0054,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4693",
      "url": "https://patchblox.com/security/cve/CVE-2023-4693",
      "title": "grub-efi-amd64-signed: An out-of-bounds read flaw was found on grub2\u0027s NTFS filesystem driver.This issue may allow a physically present atta...",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.3,
      "epss": 0.00488,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}