{
  "fix": "RLSA-2026:64808",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-64808",
  "summary": "RLSA-2026:64808, released September 9, 2026, fixes 8 CVEs in kernel (version 0:5.14.0-687.45.1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-09-09T12:05:17Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-64319, rated Critical",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00803,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:64808",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "rocky 9",
      "fixedVersion": "0:5.14.0-687.45.1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-64319",
      "url": "https://patchblox.com/security/cve/CVE-2026-64319",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nvmet-auth: validate reply message payload bound...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00563,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64320",
      "url": "https://patchblox.com/security/cve/CVE-2026-64320",
      "title": "nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00803,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64384",
      "url": "https://patchblox.com/security/cve/CVE-2026-64384",
      "title": "smb: client: fix change notify replay double-free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00457,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64136",
      "url": "https://patchblox.com/security/cve/CVE-2026-64136",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nsmb: client: protect tc_count increment in smb2_f...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 9.8,
      "epss": 0.00407,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38004",
      "url": "https://patchblox.com/security/cve/CVE-2025-38004",
      "title": "can: bcm: add locking for bcm_op runtime updates",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00276,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53000",
      "url": "https://patchblox.com/security/cve/CVE-2026-53000",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nat: use kfree_rcu to release ops\nFlor...",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00183,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64287",
      "url": "https://patchblox.com/security/cve/CVE-2026-64287",
      "title": "KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52933",
      "url": "https://patchblox.com/security/cve/CVE-2026-52933",
      "title": "io_uring/poll: fix signed comparison in io_poll_get_ownership()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00148,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}