{
  "cveId": "CVE-2026-80640",
  "url": "https://patchblox.com/security/cve/CVE-2026-80640",
  "summary": "CVE-2026-80640 is fixed in linux on 1 platform by DEBIAN-CVE-2026-80640 (version 7.1.5-1), released August 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  cxl/fwctl: Fix __fortify_panic  Fix a runtime as...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  cxl/fwctl: Fix __fortify_panic  Fix a runtime assertion in cxlctl_get_supported_features(). Fortify complains that it is potentially overflowing the entries array per __counted_by_le(num_entries). Quiet the false positive by initializing @num_entries earlier.   memcpy: detected buffer overflow: 48 byte write of buffer size 0  WARNING: lib/string_helpers.c:1036 at __fortify_report\u002B0x4d/0xa0, CPU#7: fwctl/1398  RIP: 0010:__fortify_report\u002B0x50/0xa0  Call Trace:   __fortify_panic\u002B0xd/0xf   cxlctl_get_supported_features.cold\u002B0x23/0x35 [cxl_core]",
  "published": "2026-08-28T08:16:48Z",
  "severity": "",
  "epss": 0.00223,
  "epssPercentile": 0.13029,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.5-1",
      "fix": "DEBIAN-CVE-2026-80640",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80640",
      "released": "2026-08-29T00:46:20Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}