{
  "fix": "RHSA-2025:21920",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-21920",
  "summary": "RHSA-2025:21920, released November 24, 2025, fixes 3 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 12 packages",
  "released": "2025-11-24T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-39973, rated Critical",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00159,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:21920",
  "appliesTo": [
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      "product": "kernel-rt",
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      "supported": true
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    {
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    {
      "product": "kernel-rt-debug-devel",
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    {
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      "supported": true
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    {
      "product": "kernel-rt-debug-modules-extra",
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      "supported": true
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    {
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    {
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      "fixedVersion": "0:4.18.0-553.85.1.rt7.426.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
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    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
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      "fixedVersion": "0:4.18.0-553.85.1.rt7.426.el8_10",
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  ],
  "cves": [
    {
      "cveId": "CVE-2025-39971",
      "url": "https://patchblox.com/security/cve/CVE-2025-39971",
      "title": "i40e: fix idx validation in config queues msg",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
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    {
      "cveId": "CVE-2025-39973",
      "url": "https://patchblox.com/security/cve/CVE-2025-39973",
      "title": "i40e: add validation for ring_len param",
      "priority": "Urgent",
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      "cvss": 9.8,
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
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    {
      "cveId": "CVE-2025-39697",
      "url": "https://patchblox.com/security/cve/CVE-2025-39697",
      "title": "NFS: Fix a race when updating an existing write",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.6,
      "epss": 0.00159,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}