{
  "fix": "ELSA-2021-9546",
  "url": "https://patchblox.com/security/fix/linux/elsa-2021-9546",
  "summary": "ELSA-2021-9546, released November 9, 2021, fixes 6 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 14 packages",
  "released": "2021-11-09T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-25741, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.07964,
  "maxCvss": 8.3,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2021-9546.html",
  "appliesTo": [
    {
      "product": "istio",
      "productUrl": "https://patchblox.com/security/product/linux/istio",
      "release": "ol 8",
      "fixedVersion": "0:1.9.8-3.el8",
      "supported": true
    },
    {
      "product": "istio-istioctl",
      "productUrl": "https://patchblox.com/security/product/linux/istio-istioctl",
      "release": "ol 8",
      "fixedVersion": "0:1.9.8-3.el8",
      "supported": true
    },
    {
      "product": "kubeadm",
      "productUrl": "https://patchblox.com/security/product/linux/kubeadm",
      "release": "ol 8",
      "fixedVersion": "0:1.20.11-4.el8",
      "supported": true
    },
    {
      "product": "kubectl",
      "productUrl": "https://patchblox.com/security/product/linux/kubectl",
      "release": "ol 8",
      "fixedVersion": "0:1.20.11-4.el8",
      "supported": true
    },
    {
      "product": "kubelet",
      "productUrl": "https://patchblox.com/security/product/linux/kubelet",
      "release": "ol 8",
      "fixedVersion": "0:1.20.11-4.el8",
      "supported": true
    },
    {
      "product": "olcne-agent",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-agent",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-api-server",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-api-server",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-grafana-chart",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-grafana-chart",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-istio-chart",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-istio-chart",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-nginx",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-nginx",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-olm-chart",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-olm-chart",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-prometheus-chart",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-prometheus-chart",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcne-utils",
      "productUrl": "https://patchblox.com/security/product/linux/olcne-utils",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    },
    {
      "product": "olcnectl",
      "productUrl": "https://patchblox.com/security/product/linux/olcnectl",
      "release": "ol 8",
      "fixedVersion": "0:1.3.2-2.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-25741",
      "url": "https://patchblox.com/security/cve/CVE-2021-25741",
      "title": "istio: olcne\n[1.3.2-2]\n- Turn off default PodDisruptionBudget in istio template to unblock kubernetes module upgrade\n- Updat...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.1,
      "epss": 0.07964,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-32777",
      "url": "https://patchblox.com/security/cve/CVE-2021-32777",
      "title": "istio: olcne\n[1.2.5-2]\n- Update Istio to 1.9.8 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 \u0026 C...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.3,
      "epss": 0.03325,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-32781",
      "url": "https://patchblox.com/security/cve/CVE-2021-32781",
      "title": "istio-pilot-agent: olcne\n[1.2.5-2]\n- Update Istio to 1.9.8 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 \u0026 C...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.0133,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-32778",
      "url": "https://patchblox.com/security/cve/CVE-2021-32778",
      "title": "olcne-nginx: olcne\n[1.2.5-2]\n- Update Istio to 1.9.8 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 \u0026 C...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.0123,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-32780",
      "url": "https://patchblox.com/security/cve/CVE-2021-32780",
      "title": "istio: olcne\n[1.2.5-2]\n- Update Istio to 1.9.8 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 \u0026 C...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.0123,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-32779",
      "url": "https://patchblox.com/security/cve/CVE-2021-32779",
      "title": "istio: olcne\n[1.2.5-2]\n- Update Istio to 1.9.8 to address CVE-2021-32777, CVE-2021-32778, CVE-2021-32779, CVE-2021-32780 \u0026 C...",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.3,
      "epss": 0.00956,
      "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"
  }
}