CVE-2025-38555 (GCVE-0-2025-38555)
Vulnerability from cvelistv5
Published
2025-08-19 17:02
Modified
2025-08-28 14:43
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: gadget : fix use-after-free in composite_dev_cleanup() 1. In func configfs_composite_bind() -> composite_os_desc_req_prepare(): if kmalloc fails, the pointer cdev->os_desc_req will be freed but not set to NULL. Then it will return a failure to the upper-level function. 2. in func configfs_composite_bind() -> composite_dev_cleanup(): it will checks whether cdev->os_desc_req is NULL. If it is not NULL, it will attempt to use it.This will lead to a use-after-free issue. BUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0 Read of size 8 at addr 0000004827837a00 by task init/1 CPU: 10 PID: 1 Comm: init Tainted: G O 5.10.97-oh #1 kasan_report+0x188/0x1cc __asan_load8+0xb4/0xbc composite_dev_cleanup+0xf4/0x2c0 configfs_composite_bind+0x210/0x7ac udc_bind_to_driver+0xb4/0x1ec usb_gadget_probe_driver+0xec/0x21c gadget_dev_desc_UDC_store+0x264/0x27c
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835
Impacted products
Vendor Product Version
Linux Linux Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
Version: 37a3a533429ef9b3cc9f15a656c19623f0e88df7
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   Linux Linux Version: 3.16
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/gadget/composite.c"
          ],
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/gadget/composite.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "3.16"
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              "version": "0",
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "5.10.241",
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              "status": "unaffected",
              "version": "5.15.190",
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              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
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      ],
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              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget : fix use-after-free in composite_dev_cleanup()\n\n1. In func configfs_composite_bind() -\u003e composite_os_desc_req_prepare():\nif kmalloc fails, the pointer cdev-\u003eos_desc_req will be freed but not\nset to NULL. Then it will return a failure to the upper-level function.\n2. in func configfs_composite_bind() -\u003e composite_dev_cleanup():\nit will checks whether cdev-\u003eos_desc_req is NULL. If it is not NULL, it\nwill attempt to use it.This will lead to a use-after-free issue.\n\nBUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0\nRead of size 8 at addr 0000004827837a00 by task init/1\n\nCPU: 10 PID: 1 Comm: init Tainted: G           O      5.10.97-oh #1\n kasan_report+0x188/0x1cc\n __asan_load8+0xb4/0xbc\n composite_dev_cleanup+0xf4/0x2c0\n configfs_composite_bind+0x210/0x7ac\n udc_bind_to_driver+0xb4/0x1ec\n usb_gadget_probe_driver+0xec/0x21c\n gadget_dev_desc_UDC_store+0x264/0x27c"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-28T14:43:47.395Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204"
        },
        {
          "url": "https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897"
        },
        {
          "url": "https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33"
        },
        {
          "url": "https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835"
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        {
          "url": "https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9"
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          "url": "https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963"
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          "url": "https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355"
        },
        {
          "url": "https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e"
        }
      ],
      "title": "usb: gadget : fix use-after-free in composite_dev_cleanup()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38555",
    "datePublished": "2025-08-19T17:02:34.110Z",
    "dateReserved": "2025-04-16T04:51:24.025Z",
    "dateUpdated": "2025-08-28T14:43:47.395Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38555\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-08-19T17:15:31.667\",\"lastModified\":\"2025-08-28T15:15:53.063\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: gadget : fix use-after-free in composite_dev_cleanup()\\n\\n1. In func configfs_composite_bind() -\u003e composite_os_desc_req_prepare():\\nif kmalloc fails, the pointer cdev-\u003eos_desc_req will be freed but not\\nset to NULL. Then it will return a failure to the upper-level function.\\n2. in func configfs_composite_bind() -\u003e composite_dev_cleanup():\\nit will checks whether cdev-\u003eos_desc_req is NULL. If it is not NULL, it\\nwill attempt to use it.This will lead to a use-after-free issue.\\n\\nBUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0\\nRead of size 8 at addr 0000004827837a00 by task init/1\\n\\nCPU: 10 PID: 1 Comm: init Tainted: G           O      5.10.97-oh #1\\n kasan_report+0x188/0x1cc\\n __asan_load8+0xb4/0xbc\\n composite_dev_cleanup+0xf4/0x2c0\\n configfs_composite_bind+0x210/0x7ac\\n udc_bind_to_driver+0xb4/0x1ec\\n usb_gadget_probe_driver+0xec/0x21c\\n gadget_dev_desc_UDC_store+0x264/0x27c\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: gadget: correcci\u00f3n del problema de use-after-free en composite_dev_cleanup(). 1. En la funci\u00f3n configfs_composite_bind() -\u0026gt; composite_os_desc_req_prepare(): si kmalloc falla, el puntero cdev-\u0026gt;os_desc_req se liberar\u00e1, pero no se establecer\u00e1 en NULL. En ese caso, devolver\u00e1 un error a la funci\u00f3n de nivel superior. 2. En la funci\u00f3n configfs_composite_bind() -\u0026gt; composite_dev_cleanup(): comprobar\u00e1 si cdev-\u0026gt;os_desc_req es NULL. Si no lo es, intentar\u00e1 usarlo. Esto provocar\u00e1 un problema de use-after-free. ERROR: KASAN: use-after-free en composite_dev_cleanup+0xf4/0x2c0 Lectura de tama\u00f1o 8 en la direcci\u00f3n 0000004827837a00 por la tarea init/1 CPU: 10 PID: 1 Comm: init Contaminado: GO 5.10.97-oh #1 kasan_report+0x188/0x1cc __asan_load8+0xb4/0xbc composite_dev_cleanup+0xf4/0x2c0 configfs_composite_bind+0x210/0x7ac udc_bind_to_driver+0xb4/0x1ec usb_gadget_probe_driver+0xec/0x21c gadget_dev_desc_UDC_store+0x264/0x27c\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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