{
  "fix": "RLSA-2026:63129",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-63129",
  "summary": "RLSA-2026:63129, released September 5, 2026, fixes 27 CVEs in kernel (version 0:5.14.0-687.44.1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-09-05T18:05:10Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-72130, rated Critical",
  "supported": true,
  "cveCount": 27,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00803,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:63129",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "rocky 9",
      "fixedVersion": "0:5.14.0-687.44.1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-72130",
      "url": "https://patchblox.com/security/cve/CVE-2026-72130",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nvmet-auth: reject short AUTH_RECEIVE buffers  n...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00803,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-72069",
      "url": "https://patchblox.com/security/cve/CVE-2026-72069",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  locking/rt: Fix the incorrect RCU protection in...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00728,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63800",
      "url": "https://patchblox.com/security/cve/CVE-2026-63800",
      "title": "pNFS: Fix use-after-free in pnfs_update_layout()",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68166",
      "url": "https://patchblox.com/security/cve/CVE-2026-68166",
      "title": "userfaultfd: prevent registration of special VMAs",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00206,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63824",
      "url": "https://patchblox.com/security/cve/CVE-2026-63824",
      "title": "KEYS: fix overflow in keyctl_pkey_params_get_2()",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00169,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63887",
      "url": "https://patchblox.com/security/cve/CVE-2026-63887",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nscsi: target: iscsi: Bound iscsi_encode_text_outp...",
      "priority": "High",
      "severity": "important",
      "cvss": 9.8,
      "epss": 0.00778,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64268",
      "url": "https://patchblox.com/security/cve/CVE-2026-64268",
      "title": "RDMA/siw: bound Read Response placement to the RREAD length",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00714,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63886",
      "url": "https://patchblox.com/security/cve/CVE-2026-63886",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: s...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00711,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53399",
      "url": "https://patchblox.com/security/cve/CVE-2026-53399",
      "title": "nfsd: release layout stid on setlease failure",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00663,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53392",
      "url": "https://patchblox.com/security/cve/CVE-2026-53392",
      "title": "NFSv4/flexfiles: reject zero filehandle version count",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00529,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53397",
      "url": "https://patchblox.com/security/cve/CVE-2026-53397",
      "title": "nfsd: fix posix_acl leak on SETACL decode failure",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00529,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63808",
      "url": "https://patchblox.com/security/cve/CVE-2026-63808",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.8,
      "epss": 0.00527,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46185",
      "url": "https://patchblox.com/security/cve/CVE-2026-46185",
      "title": "smb/client: fix out-of-bounds read in symlink_data()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00525,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53391",
      "url": "https://patchblox.com/security/cve/CVE-2026-53391",
      "title": "NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00517,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64387",
      "url": "https://patchblox.com/security/cve/CVE-2026-64387",
      "title": "smb: client: fix query directory replay double-free",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00457,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68480",
      "url": "https://patchblox.com/security/cve/CVE-2026-68480",
      "title": "x86/bugs: Make Safe-RET robust against interrupt injection",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64490",
      "url": "https://patchblox.com/security/cve/CVE-2026-64490",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ALSA: virtio: Validate control metadata from the...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00193,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64304",
      "url": "https://patchblox.com/security/cve/CVE-2026-64304",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  crypto: qat - validate RSA CRT component lengths...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00169,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-40064",
      "url": "https://patchblox.com/security/cve/CVE-2025-40064",
      "title": "smc: Fix use-after-free in __pnet_find_base_ndev().",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.0015,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64298",
      "url": "https://patchblox.com/security/cve/CVE-2026-64298",
      "title": "NFSv4: include MAY_WRITE in open permission mask for O_TRUNC",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00147,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64018",
      "url": "https://patchblox.com/security/cve/CVE-2026-64018",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nnet: mana: validate rx_req_idx to prevent out-of-...",
      "priority": "High",
      "severity": "important",
      "cvss": 9.3,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-71147",
      "url": "https://patchblox.com/security/cve/CVE-2025-71147",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nKEYS: trusted: Fix a memory leak in tpm2_load_cmd...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 8.8,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68145",
      "url": "https://patchblox.com/security/cve/CVE-2026-68145",
      "title": "iomap: fix out-of-bounds bitmap_set() with zero-length range",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00138,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64438",
      "url": "https://patchblox.com/security/cve/CVE-2026-64438",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  crypto: qat - fix VF2PF work teardown race in ad...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00135,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64002",
      "url": "https://patchblox.com/security/cve/CVE-2026-64002",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nipv4: free net-\u003Eipv4.sysctl_local_reserved_ports...",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.0013,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45970",
      "url": "https://patchblox.com/security/cve/CVE-2026-45970",
      "title": "kernel-rt-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00126,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53073",
      "url": "https://patchblox.com/security/cve/CVE-2026-53073",
      "title": "Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00114,
      "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"
  }
}