{
  "cveId": "CVE-2026-53020",
  "url": "https://patchblox.com/security/cve/CVE-2026-53020",
  "summary": "CVE-2026-53020 is fixed in linux on 1 platform by DEBIAN-CVE-2026-53020 (version 7.0.10-1), released June 25, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  um: Fix potential race condition in TLB sync  Du...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  um: Fix potential race condition in TLB sync  During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing, let\u0027s disable the split page table lock for simplicity.",
  "published": "2026-06-24T17:17:13Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00127,
  "epssPercentile": 0.0243,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.0.10-1",
      "fix": "DEBIAN-CVE-2026-53020",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53020",
      "released": "2026-06-25T17:23:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}