FKIE_CVE-2024-42236

Vulnerability from fkie_nvd - Published: 2024-08-07 16:15 - Updated: 2025-11-03 22:17
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Prevent OOB read/write in usb_string_copy() Userspace provided string 's' could trivially have the length zero. Left unchecked this will firstly result in an OOB read in the form `if (str[0 - 1] == '\n') followed closely by an OOB write in the form `str[0 - 1] = '\0'`. There is already a validating check to catch strings that are too long. Let's supply an additional check for invalid strings that are too short.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d16f63d8030903e5031853e79d731ee5d474e70Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d3c721e686ea6c59e18289b400cc95c76e927e0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/72b8ee0d9826e8ed00e0bdfce3e46b98419b37cePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a444c3fc264119801575ab086e03fb4952f23fd0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c95fbdde87e39e5e0ae27f28bf6711edfb985caaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1205033e912f9332c1dbefa812e6ceb0575ce0aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8474a10c535e6a2024c3b06e37e4a3a23beb490Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eecfefad0953b2f31aaefa058f7f348ff39c4bbaPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: configfs: Prevent OOB read/write in usb_string_copy()\n\nUserspace provided string \u0027s\u0027 could trivially have the length zero. Left\nunchecked this will firstly result in an OOB read in the form\n`if (str[0 - 1] == \u0027\\n\u0027) followed closely by an OOB write in the form\n`str[0 - 1] = \u0027\\0\u0027`.\n\nThere is already a validating check to catch strings that are too long.\nLet\u0027s supply an additional check for invalid strings that are too short."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: gadget: configfs: Evitar lectura/escritura OOB en usb_string_copy() Las cadenas \u0027s\u0027 proporcionadas por el espacio de usuario podr\u00edan tener trivialmente una longitud cero. Si no se marca, esto dar\u00e1 como resultado en primer lugar una lectura OOB en el formato `if (str[0 - 1] == \u0027\\n\u0027) seguida de cerca por una escritura OOB en el formato `str[0 - 1] = \u0027\\0\u0027 `. Ya existe una verificaci\u00f3n de validaci\u00f3n para detectar cadenas que son demasiado largas. Proporcionemos una verificaci\u00f3n adicional para cadenas no v\u00e1lidas que sean demasiado cortas."
    }
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  "id": "CVE-2024-42236",
  "lastModified": "2025-11-03T22:17:47.603",
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-08-07T16:15:46.530",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-787"
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      "source": "nvd@nist.gov",
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}


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