{
  "cveId": "CVE-2026-72482",
  "url": "https://patchblox.com/security/cve/CVE-2026-72482",
  "summary": "CVE-2026-72482 is fixed in linux on 1 platform by DEBIAN-CVE-2026-72482 (version 7.1.5-1), released August 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  gpib: fix double decrement of descriptor_busy in...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  gpib: fix double decrement of descriptor_busy in command_ioctl()  commit d1857f8296dc (\u0022gpib: fix use-after-free in IO ioctl handlers\u0022) introduced a descriptor_busy reference counter to pin struct gpib_descriptor across IO ioctl operations.  In command_ioctl(), the error path inside the loop decrements descriptor_busy and breaks, but execution then falls through to the unconditional decrement after the loop, underflowing the counter to -1.  This re-enables the use-after-free that the original fix was meant to prevent: a concurrent close_dev_ioctl() sees descriptor_busy == 0 on an actively-used descriptor and frees it.  Remove the early decrement from the error path.  The post-loop decrement already handles all exit paths, matching the correct pattern used in read_ioctl() and write_ioctl().",
  "published": "2026-08-15T06:22:22Z",
  "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": 0.00177,
  "epssPercentile": 0.07344,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.5-1",
      "fix": "DEBIAN-CVE-2026-72482",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-72482",
      "released": "2026-08-15T22:38:55Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}