{
  "cveId": "CVE-2026-31749",
  "url": "https://patchblox.com/security/cve/CVE-2026-31749",
  "summary": "CVE-2026-31749 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-31749, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  comedi: ni_atmio16d: Fix invalid clean-up after...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  comedi: ni_atmio16d: Fix invalid clean-up after failed attach  If the driver\u0027s COMEDI \u0022attach\u0022 handler function (\u0060atmio16d_attach()\u0060) returns an error, the COMEDI core will call the driver\u0027s \u0022detach\u0022 handler function (\u0060atmio16d_detach()\u0060) to clean up.  This calls \u0060reset_atmio16d()\u0060 unconditionally, but depending on where the error occurred in the attach handler, the device may not have been sufficiently initialized to call \u0060reset_atmio16d()\u0060.  It uses \u0060dev-\u003Eiobase\u0060 as the I/O port base address and \u0060dev-\u003Eprivate\u0060 as the pointer to the COMEDI device\u0027s private data structure.  \u0060dev-\u003Eiobase\u0060 may still be set to its initial value of 0, which would result in undesired writes to low I/O port addresses.  \u0060dev-\u003Eprivate\u0060 may still be \u0060NULL\u0060, which would result in null pointer dereferences.  Fix \u0060atmio16d_detach()\u0060 by checking that \u0060dev-\u003Eprivate\u0060 is valid (non-null) before calling \u0060reset_atmio16d()\u0060.  This implies that \u0060dev-\u003Eiobase\u0060 was set correctly since that is set up before \u0060dev-\u003Eprivate\u0060.",
  "published": "2026-05-01T15:16:37Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00123,
  "epssPercentile": 0.02052,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
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      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21555-1",
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      "released": "2026-08-12T01:09:28Z"
    },
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      "fixedVersion": "6.4.0-150700.53.73.2",
      "fix": "SUSE-SU-2026:3166-1",
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      "released": "2026-07-21T17:09:27Z"
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      "fix": "SUSE-SU-2026:23231-1",
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      "released": "2026-08-11T21:26:34Z"
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  "noFixYet": [],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}