CVE-2026-46109 (GCVE-0-2026-46109)
Vulnerability from cvelistv5
Published
2026-05-28 09:35
Modified
2026-06-14 17:55
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix memory leak on ulpi_register() error paths Commit 01af542392b5 ("usb: ulpi: fix double free in ulpi_register_interface() error path") removed kfree(ulpi) from ulpi_register_interface() to fix a double-free when device_register() fails. But when ulpi_of_register() or ulpi_read_id() fail before device_register() is called, the ulpi allocation is leaked. Add kfree(ulpi) on both error paths to properly clean up the allocation.
Impacted products
Vendor Product Version
Linux Linux Version: 2f70ba9dae13a190673cc3f9b4aad52179738f60
Version: ee248e6e941e4f2e634df2bd43e5f1ef810ab6df
Version: 272a9b26c336a295e4e209157fed809706c1b1f7
Version: aaeae6533d77e6ed4def85baec01e2815ebbef61
Version: 8763f8317bb389aded32a32b08f6751cfff657d2
Version: 38c28fe25611099230f0965c925499bfcf46a795
Version: 01af542392b5d41fd659d487015a71f627accce3
Version: 01af542392b5d41fd659d487015a71f627accce3
Version: a6e5461f076c2ef63159f18e5cdbd30b50f0bc15
Version: 5.10.253   
Version: 5.15.203   
Version: 6.1.168   
Version: 6.6.134   
Version: 6.12.81   
Version: 6.18.22   
Version: 6.19.12   
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{
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: ulpi: fix memory leak on ulpi_register() error paths\n\nCommit 01af542392b5 (\"usb: ulpi: fix double free in\nulpi_register_interface() error path\") removed kfree(ulpi) from\nulpi_register_interface() to fix a double-free when device_register()\nfails.\n\nBut when ulpi_of_register() or ulpi_read_id() fail before\ndevice_register() is called, the ulpi allocation is leaked.\n\nAdd kfree(ulpi) on both error paths to properly clean up the allocation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T17:55:07.015Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9"
        },
        {
          "url": "https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054"
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        {
          "url": "https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385"
        },
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          "url": "https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4c"
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          "url": "https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551b"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7d"
        }
      ],
      "title": "usb: ulpi: fix memory leak on ulpi_register() error paths",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46109",
    "datePublished": "2026-05-28T09:35:16.409Z",
    "dateReserved": "2026-05-13T15:03:33.098Z",
    "dateUpdated": "2026-06-14T17:55:07.015Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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