{
  "fix": "RLSA-2026:86033",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-86033",
  "summary": "RLSA-2026:86033, released November 7, 2026, fixes 15 CVEs in kernel (version 0:5.14.0-687.59.1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-11-07T00:39:57Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-99999, rated Critical",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00788,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:86033",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "rocky 9",
      "fixedVersion": "0:5.14.0-687.59.1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-99999",
      "url": "https://patchblox.com/security/cve/CVE-2026-99999",
      "title": "ipv4: validate checksum_start before completing checksum",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.3,
      "epss": 0.00788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89633",
      "url": "https://patchblox.com/security/cve/CVE-2026-89633",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  smb: client: fix OOB read/write from unvalidated...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00552,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63974",
      "url": "https://patchblox.com/security/cve/CVE-2026-63974",
      "title": "Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80590",
      "url": "https://patchblox.com/security/cve/CVE-2026-80590",
      "title": "inet: frags: strip GSO state from fragments before reassembly",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00578,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64024",
      "url": "https://patchblox.com/security/cve/CVE-2026-64024",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.4,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74509",
      "url": "https://patchblox.com/security/cve/CVE-2026-74509",
      "title": "Bluetooth: hci_sync: Fix advertising data UAFs",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00249,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64572",
      "url": "https://patchblox.com/security/cve/CVE-2026-64572",
      "title": "ipv4: fib: free fib_alias with kfree_rcu() on insert error path",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00201,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-98260",
      "url": "https://patchblox.com/security/cve/CVE-2026-98260",
      "title": "exec: Cleanup POSIX timers right after de_thread()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63899",
      "url": "https://patchblox.com/security/cve/CVE-2026-63899",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63962",
      "url": "https://patchblox.com/security/cve/CVE-2026-63962",
      "title": "usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.0016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64114",
      "url": "https://patchblox.com/security/cve/CVE-2026-64114",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64032",
      "url": "https://patchblox.com/security/cve/CVE-2026-64032",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00133,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31678",
      "url": "https://patchblox.com/security/cve/CVE-2026-31678",
      "title": "openvswitch: defer tunnel netdev_put to RCU release",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00132,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93817",
      "url": "https://patchblox.com/security/cve/CVE-2026-93817",
      "title": "perf: Fix addr_filter_ranges lifetime",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00129,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52935",
      "url": "https://patchblox.com/security/cve/CVE-2026-52935",
      "title": "xfrm: espintcp: do not reuse an in-progress partial send",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00096,
      "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"
  }
}