fkie_cve-2024-57925
Vulnerability from fkie_nvd
Published
2025-01-19 12:15
Modified
2025-10-01 20:18
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix a missing return value check bug In the smb2_send_interim_resp(), if ksmbd_alloc_work_struct() fails to allocate a node, it returns a NULL pointer to the in_work pointer. This can lead to an illegal memory write of in_work->response_buf when allocate_interim_rsp_buf() attempts to perform a kzalloc() on it. To address this issue, incorporating a check for the return value of ksmbd_alloc_work_struct() ensures that the function returns immediately upon allocation failure, thereby preventing the aforementioned illegal memory access.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/271ae0edbfc942795c162e6cf20d2bc02bd7fde4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2976e91a3e569cf2c92c9f71512c0ab1312fe965Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c16e1cadcbcaf3c82d5fc310fbd34d0f5d0db7cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/781c743e18bfd9b7dc0383f036ae952bd1486f21Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee7e40f7fb17f08a8cbae50553e5c2e10ae32fcePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix a missing return value check bug\n\nIn the smb2_send_interim_resp(), if ksmbd_alloc_work_struct()\nfails to allocate a node, it returns a NULL pointer to the\nin_work pointer. This can lead to an illegal memory write of\nin_work-\u003eresponse_buf when allocate_interim_rsp_buf() attempts\nto perform a kzalloc() on it.\n\nTo address this issue, incorporating a check for the return\nvalue of ksmbd_alloc_work_struct() ensures that the function\nreturns immediately upon allocation failure, thereby preventing\nthe aforementioned illegal memory access."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige un error de comprobaci\u00f3n del valor de retorno faltante En smb2_send_interim_resp(), si ksmbd_alloc_work_struct() no puede asignar un nodo, devuelve un puntero NULL al puntero in_work. Esto puede provocar una escritura de memoria ilegal de in_work-\u0026gt;response_buf cuando allocate_interim_rsp_buf() intenta realizar un kzalloc() en \u00e9l. Para solucionar este problema, la incorporaci\u00f3n de una comprobaci\u00f3n del valor de retorno de ksmbd_alloc_work_struct() garantiza que la funci\u00f3n regrese inmediatamente despu\u00e9s de un error de asignaci\u00f3n, lo que evita el acceso ilegal a la memoria mencionado anteriormente."
    }
  ],
  "id": "CVE-2024-57925",
  "lastModified": "2025-10-01T20:18:05.113",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
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        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
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  "published": "2025-01-19T12:15:26.617",
  "references": [
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      "tags": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-476"
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      "source": "nvd@nist.gov",
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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