{
  "fix": "RHSA-2026:66324",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-66324",
  "summary": "RHSA-2026:66324, released September 13, 2026, fixes 15 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 12 packages",
  "released": "2026-09-13T12:46:35Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-68745, rated Critical",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00634,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:66324",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-core",
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      "supported": true
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    {
      "product": "kernel-rt-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug",
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      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.162.1.rt7.503.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-68745",
      "url": "https://patchblox.com/security/cve/CVE-2025-68745",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: qla2xxx: Clear cmds after chip reset  Comm...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00503,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52986",
      "url": "https://patchblox.com/security/cve/CVE-2026-52986",
      "title": "netfilter: nf_conntrack_sip: don\u0027t use simple_strtoul",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00634,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68376",
      "url": "https://patchblox.com/security/cve/CVE-2026-68376",
      "title": "sctp: fix auth_hmacs array size in struct sctp_cookie",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.1,
      "epss": 0.00605,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68300",
      "url": "https://patchblox.com/security/cve/CVE-2026-68300",
      "title": "sctp: auth: verify auth requirement when auth_chunk is NULL",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.0058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64113",
      "url": "https://patchblox.com/security/cve/CVE-2026-64113",
      "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-2026-68117",
      "url": "https://patchblox.com/security/cve/CVE-2026-68117",
      "title": "tipc: clear sock-\u003Esk on the failed-insert path in tipc_sk_create()",
      "priority": "High",
      "severity": "Low",
      "cvss": 9.8,
      "epss": 0.00525,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63801",
      "url": "https://patchblox.com/security/cve/CVE-2026-63801",
      "title": "tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00513,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68315",
      "url": "https://patchblox.com/security/cve/CVE-2026-68315",
      "title": "sctp: validate stream count in sctp_process_strreset_inreq()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00512,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53246",
      "url": "https://patchblox.com/security/cve/CVE-2026-53246",
      "title": "sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00442,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64015",
      "url": "https://patchblox.com/security/cve/CVE-2026-64015",
      "title": "kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.1,
      "epss": 0.00155,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46149",
      "url": "https://patchblox.com/security/cve/CVE-2026-46149",
      "title": "scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53091",
      "url": "https://patchblox.com/security/cve/CVE-2026-53091",
      "title": "net: pull headers in qdisc_pkt_len_segs_init()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.4,
      "epss": 0.00139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52942",
      "url": "https://patchblox.com/security/cve/CVE-2026-52942",
      "title": "netfilter: nf_log: validate MAC header was set before dumping it",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00132,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63971",
      "url": "https://patchblox.com/security/cve/CVE-2026-63971",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00131,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52917",
      "url": "https://patchblox.com/security/cve/CVE-2026-52917",
      "title": "sctp: diag: reject stale associations in dump_one path",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00128,
      "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"
  }
}