{
  "fix": "RHSA-2026:81452",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-81452",
  "summary": "RHSA-2026:81452, released October 13, 2026, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 2 packages",
  "released": "2026-10-13T23:30:48Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-52933, high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00148,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:81452",
  "appliesTo": [
    {
      "product": "kpatch-patch-5_14_0-687_10_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-5-14-0-687-10-1",
      "release": "RHEL 9",
      "fixedVersion": "0:1-10.el9_8",
      "supported": true
    },
    {
      "product": "kpatch-patch-5_14_0-687_42_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-5-14-0-687-42-1",
      "release": "RHEL 9",
      "fixedVersion": "0:1-1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "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
    },
    {
      "cveId": "CVE-2026-46181",
      "url": "https://patchblox.com/security/cve/CVE-2026-46181",
      "title": "RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46176",
      "url": "https://patchblox.com/security/cve/CVE-2026-46176",
      "title": "RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00142,
      "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
    }
  ],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}