{
  "fix": "RHSA-2026:1727",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-1727",
  "summary": "RHSA-2026:1727, released December 16, 2025, fixes 16 CVEs in kernel (version 6.12.0-55.58.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2025-12-16T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-40251, rated Critical",
  "supported": true,
  "cveCount": 16,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00644,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:1727",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-55.58.1.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-40251",
      "url": "https://patchblox.com/security/cve/CVE-2025-40251",
      "title": "devlink: rate: Unset parent pointer in devl_rate_nodes_destroy",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00166,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40240",
      "url": "https://patchblox.com/security/cve/CVE-2025-40240",
      "title": "sctp: avoid NULL dereference when chunk data buffer is missing",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40133",
      "url": "https://patchblox.com/security/cve/CVE-2025-40133",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mptcp: Use __sk_dst_get() and dst_dev_rcu() in m...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40258",
      "url": "https://patchblox.com/security/cve/CVE-2025-40258",
      "title": "mptcp: fix race condition in mptcp_schedule_work()",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00498,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-68301",
      "url": "https://patchblox.com/security/cve/CVE-2025-68301",
      "title": "net: atlantic: fix fragment overflow handling in RX path",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00467,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39933",
      "url": "https://patchblox.com/security/cve/CVE-2025-39933",
      "title": "smb: client: let recv_done verify data_offset, data_length and remaining_data_length",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-53034",
      "url": "https://patchblox.com/security/cve/CVE-2023-53034",
      "title": "ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00294,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40301",
      "url": "https://patchblox.com/security/cve/CVE-2025-40301",
      "title": "Bluetooth: hci_event: validate skb length for unknown CC opcode",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40318",
      "url": "https://patchblox.com/security/cve/CVE-2025-40318",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: hci_sync: fix race in hci_cmd_sync_de...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0027,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38453",
      "url": "https://patchblox.com/security/cve/CVE-2025-38453",
      "title": "kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00187,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38172",
      "url": "https://patchblox.com/security/cve/CVE-2025-38172",
      "title": "kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00178,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38568",
      "url": "https://patchblox.com/security/cve/CVE-2025-38568",
      "title": "net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40248",
      "url": "https://patchblox.com/security/cve/CVE-2025-40248",
      "title": "vsock: Ignore signal/timeout on connect() if already established",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00168,
      "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-2025-40304",
      "url": "https://patchblox.com/security/cve/CVE-2025-40304",
      "title": "fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40322",
      "url": "https://patchblox.com/security/cve/CVE-2025-40322",
      "title": "fbdev: bitblit: bound-check glyph index in bit_putcs*",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00143,
      "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"
  }
}