{
  "fix": "RLSA-2025:22854",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2025-22854",
  "summary": "RLSA-2025:22854, released December 14, 2025, fixes 9 CVEs in kernel (version 0:6.12.0-124.20.1.el10_1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2025-12-14T11:05:23Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-39925, rated Critical",
  "supported": true,
  "cveCount": 9,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00391,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2025:22854",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "rocky 10",
      "fixedVersion": "0:6.12.0-124.20.1.el10_1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-39925",
      "url": "https://patchblox.com/security/cve/CVE-2025-39925",
      "title": "can: j1939: implement NETDEV_UNREGISTER notification handler",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.0015,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38737",
      "url": "https://patchblox.com/security/cve/CVE-2025-38737",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\ncifs: Fix oops due to uninitialised variable\nFix...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00391,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39982",
      "url": "https://patchblox.com/security/cve/CVE-2025-39982",
      "title": "Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39983",
      "url": "https://patchblox.com/security/cve/CVE-2025-39983",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: hci_event: Fix UAF in hci_conn_tx_deq...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00249,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40185",
      "url": "https://patchblox.com/security/cve/CVE-2025-40185",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: n...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00213,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40058",
      "url": "https://patchblox.com/security/cve/CVE-2025-40058",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  iommu/vt-d: Disallow dirty tracking if incoheren...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00163,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40047",
      "url": "https://patchblox.com/security/cve/CVE-2025-40047",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  io_uring/waitid: always prune wait queue entry i...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00163,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39981",
      "url": "https://patchblox.com/security/cve/CVE-2025-39981",
      "title": "Bluetooth: MGMT: Fix possible UAFs",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00153,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39979",
      "url": "https://patchblox.com/security/cve/CVE-2025-39979",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net/mlx5: fs, fix UAF in flow counter release  F...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00147,
      "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"
  }
}