{
  "fix": "ELSA-2021-9451",
  "url": "https://patchblox.com/security/fix/linux/elsa-2021-9451",
  "summary": "ELSA-2021-9451, released September 16, 2021, 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": "2021-09-16T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-22543, high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0066,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2021-9451.html",
  "appliesTo": [
    {
      "product": "kernel-uek-container",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2102.205.7.2.el8",
      "supported": true
    },
    {
      "product": "kernel-uek-container-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.4.17-2102.205.7.2.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-22543",
      "url": "https://patchblox.com/security/cve/CVE-2021-22543",
      "title": "kpatch-patch-4_18_0-305_3_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0066,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3609",
      "url": "https://patchblox.com/security/cve/CVE-2021-3609",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: r...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00431,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3573",
      "url": "https://patchblox.com/security/cve/CVE-2021-3573",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.0037,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36311",
      "url": "https://patchblox.com/security/cve/CVE-2020-36311",
      "title": "kernel-uek: [5.4.17-2102.205.7.2]\n- btrfs: fix race between marking inode needs to be logged and log syncing (Filipe Manana)  [Or...",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 5.5,
      "epss": 0.00335,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}