fkie_cve-2024-26747
Vulnerability from fkie_nvd
Published
2024-04-03 17:15
Modified
2025-04-04 14:32
Severity ?
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: roles: fix NULL pointer issue when put module's reference In current design, usb role class driver will get usb_role_switch parent's module reference after the user get usb_role_switch device and put the reference after the user put the usb_role_switch device. However, the parent device of usb_role_switch may be removed before the user put the usb_role_switch. If so, then, NULL pointer issue will be met when the user put the parent module's reference. This will save the module pointer in structure of usb_role_switch. Then, we don't need to find module by iterating long relations.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732166ae5faPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c42e5565dbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef421360e1ad9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37a2536734Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e279bf8e51893e1fe160b3d8126ef2dd00f661e1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef982fc41055fcebb361a92288d3225783d12913Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732166ae5faPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c42e5565dbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef421360e1ad9ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37a2536734Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e279bf8e51893e1fe160b3d8126ef2dd00f661e1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ef982fc41055fcebb361a92288d3225783d12913Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
debian debian_linux 10.0


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: roles: fix NULL pointer issue when put module\u0027s reference\n\nIn current design, usb role class driver will get usb_role_switch parent\u0027s\nmodule reference after the user get usb_role_switch device and put the\nreference after the user put the usb_role_switch device. However, the\nparent device of usb_role_switch may be removed before the user put the\nusb_role_switch. If so, then, NULL pointer issue will be met when the user\nput the parent module\u0027s reference.\n\nThis will save the module pointer in structure of usb_role_switch. Then,\nwe don\u0027t need to find module by iterating long relations."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: roles: soluciona el problema del puntero NULL al colocar la referencia del m\u00f3dulo. En el dise\u00f1o actual, el controlador de clase de rol usb obtendr\u00e1 la referencia del m\u00f3dulo principal usb_role_switch despu\u00e9s de que el usuario obtenga el dispositivo usb_role_switch y coloque la referencia despu\u00e9s del El usuario puso el dispositivo usb_role_switch. Sin embargo, el dispositivo principal de usb_role_switch se puede eliminar antes de que el usuario coloque usb_role_switch. Si es as\u00ed, entonces, el problema del puntero NULL se solucionar\u00e1 cuando el usuario coloque la referencia del m\u00f3dulo principal. Esto guardar\u00e1 el puntero del m\u00f3dulo en la estructura de usb_role_switch. Entonces, no necesitamos encontrar el m\u00f3dulo iterando relaciones largas."
    }
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  "id": "CVE-2024-26747",
  "lastModified": "2025-04-04T14:32:01.163",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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  "published": "2024-04-03T17:15:51.680",
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  "vulnStatus": "Analyzed",
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          "value": "CWE-476"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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}


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