{
  "fix": "RHSA-2026:18134",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-18134",
  "summary": "RHSA-2026:18134, released February 4, 2026, fixes 24 CVEs in kernel (version 6.12.0-211.7.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-02-04T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-40320, rated Critical",
  "supported": true,
  "cveCount": 24,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00498,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:18134",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-211.7.1.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-40320",
      "url": "https://patchblox.com/security/cve/CVE-2025-40320",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  smb: client: fix potential cfid UAF in smb2_quer...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40257",
      "url": "https://patchblox.com/security/cve/CVE-2025-40257",
      "title": "mptcp: fix a race in mptcp_pm_del_add_timer()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00498,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40210",
      "url": "https://patchblox.com/security/cve/CVE-2025-40210",
      "title": "Revert \u0022NFSD: Remove the cap on number of operations per NFSv4 COMPOUND\u0022",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00358,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39866",
      "url": "https://patchblox.com/security/cve/CVE-2025-39866",
      "title": "fs: writeback: fix use-after-free in __mark_inode_dirty()",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-56633",
      "url": "https://patchblox.com/security/cve/CVE-2024-56633",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bp...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00281,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38279",
      "url": "https://patchblox.com/security/cve/CVE-2025-38279",
      "title": "bpf: Do not include stack ptr register in precision backtracking bookkeeping",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21839",
      "url": "https://patchblox.com/security/cve/CVE-2025-21839",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.0023,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38267",
      "url": "https://patchblox.com/security/cve/CVE-2025-38267",
      "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": 0.0021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38346",
      "url": "https://patchblox.com/security/cve/CVE-2025-38346",
      "title": "ftrace: Fix UAF when lookup kallsym after ftrace disabled",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00203,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38015",
      "url": "https://patchblox.com/security/cve/CVE-2025-38015",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7,
      "epss": 0.00197,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23002",
      "url": "https://patchblox.com/security/cve/CVE-2026-23002",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: x...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23040",
      "url": "https://patchblox.com/security/cve/CVE-2026-23040",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: mac80211_hwsim: fix typo in frequency noti...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.6,
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38405",
      "url": "https://patchblox.com/security/cve/CVE-2025-38405",
      "title": "kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00429,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40134",
      "url": "https://patchblox.com/security/cve/CVE-2025-40134",
      "title": "kernel-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 4.7,
      "epss": 0.00227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38275",
      "url": "https://patchblox.com/security/cve/CVE-2025-38275",
      "title": "phy: qcom-qmp-usb: Fix an NULL vs IS_ERR() bug",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00207,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38470",
      "url": "https://patchblox.com/security/cve/CVE-2025-38470",
      "title": "net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00206,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38097",
      "url": "https://patchblox.com/security/cve/CVE-2025-38097",
      "title": "espintcp: remove encap socket caching to avoid reference leak",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00205,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38166",
      "url": "https://patchblox.com/security/cve/CVE-2025-38166",
      "title": "bpf: fix ktls panic with sockmap",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00204,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40034",
      "url": "https://patchblox.com/security/cve/CVE-2025-40034",
      "title": "kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 6.6,
      "epss": 0.002,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38345",
      "url": "https://patchblox.com/security/cve/CVE-2025-38345",
      "title": "ACPICA: fix acpi operand cache leak in dswstate.c",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.002,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-37980",
      "url": "https://patchblox.com/security/cve/CVE-2025-37980",
      "title": "block: fix resource leak in blk_register_queue() error path",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00194,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38441",
      "url": "https://patchblox.com/security/cve/CVE-2025-38441",
      "title": "kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38202",
      "url": "https://patchblox.com/security/cve/CVE-2025-38202",
      "title": "bpf: Check rcu_read_lock_trace_held() in bpf_map_lookup_percpu_elem()",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-71117",
      "url": "https://patchblox.com/security/cve/CVE-2025-71117",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  block: Remove queue freezing from several sysfs...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00098,
      "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"
  }
}