{
  "fix": "RHSA-2026:63014",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-63014",
  "summary": "RHSA-2026:63014, released September 13, 2026, fixes 14 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 23 packages",
  "released": "2026-09-13T12:46:35Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-63800, rated Critical",
  "supported": true,
  "cveCount": 14,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00714,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:63014",
  "appliesTo": [
    {
      "product": "bpftool",
      "productUrl": "https://patchblox.com/security/product/linux/bpftool",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-abi-stablelists",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-abi-stablelists",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-debug",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-debug-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-debug-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-debug-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-debug-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-doc",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-doc",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-tools",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-tools-libs",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-tools-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-tools-libs-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-tools-libs-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-zfcpdump",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-zfcpdump",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-zfcpdump-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-zfcpdump-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-zfcpdump-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-zfcpdump-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-zfcpdump-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-zfcpdump-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "kernel-zfcpdump-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-zfcpdump-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "perf",
      "productUrl": "https://patchblox.com/security/product/linux/perf",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    },
    {
      "product": "python3-perf",
      "productUrl": "https://patchblox.com/security/product/linux/python3-perf",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.159.1.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "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-2026-64268",
      "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-2026-53399",
      "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-2026-53391",
      "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-2026-74581",
      "url": "https://patchblox.com/security/cve/CVE-2026-74581",
      "title": "net: ipv6: clear suppressed fib6 rule result",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00421,
      "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-2025-71132",
      "url": "https://patchblox.com/security/cve/CVE-2025-71132",
      "title": "smc91x: fix broken irq-context in PREEMPT_RT",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00219,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-57849",
      "url": "https://patchblox.com/security/cve/CVE-2024-57849",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  s390/cpum_sf: Handle CPU hotplug remove during s...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00209,
      "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-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-2026-53185",
      "url": "https://patchblox.com/security/cve/CVE-2026-53185",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: k...",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}