{
  "cveId": "CVE-2026-80657",
  "url": "https://patchblox.com/security/cve/CVE-2026-80657",
  "summary": "CVE-2026-80657 is fixed in linux on 1 platform by DEBIAN-CVE-2026-80657 (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:  accel/amdxdna: Guard management mailbox channel...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  accel/amdxdna: Guard management mailbox channel cleanup against NULL pointer  The management mailbox channel cleanup helpers can be called from error handling paths when mgmt_chann has already been destroyed.  Add NULL checks to xdna_mailbox_free_channel() and xdna_mailbox_stop_channel() so the cleanup path safely returns instead of dereferencing a NULL mailbox channel pointer.",
  "published": "2026-08-28T08:16:50Z",
  "severity": "",
  "epss": 0.00198,
  "epssPercentile": 0.0958,
  "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-2026-80657",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80657",
      "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"
  }
}