{
  "fix": "RHSA-2025:20957",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-20957",
  "summary": "RHSA-2025:20957, released November 11, 2025, fixes 3 CVEs in runc (version 4:1.3.0-4.el9_7). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "runc security update",
  "released": "2025-11-11T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-31133, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01245,
  "maxCvss": 8.2,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:20957",
  "appliesTo": [
    {
      "product": "runc",
      "productUrl": "https://patchblox.com/security/product/linux/runc",
      "release": "RHEL 9",
      "fixedVersion": "4:1.3.0-4.el9_7",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-31133",
      "url": "https://patchblox.com/security/cve/CVE-2025-31133",
      "title": "runc container escape via \u0022masked path\u0022 abuse due to mount race conditions",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.01245,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-52565",
      "url": "https://patchblox.com/security/cve/CVE-2025-52565",
      "title": "container escape due to /dev/console mount and related races",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00811,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-52881",
      "url": "https://patchblox.com/security/cve/CVE-2025-52881",
      "title": "runc: LSM labels can be bypassed with malicious config using dummy procfs files",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00801,
      "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"
  }
}