fkie_cve-2024-38553
Vulnerability from fkie_nvd
Published
2024-06-19 14:15
Modified
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: net: fec: remove .ndo_poll_controller to avoid deadlocks There is a deadlock issue found in sungem driver, please refer to the commit ac0a230f719b ("eth: sungem: remove .ndo_poll_controller to avoid deadlocks"). The root cause of the issue is that netpoll is in atomic context and disable_irq() is called by .ndo_poll_controller interface of sungem driver, however, disable_irq() might sleep. After analyzing the implementation of fec_poll_controller(), the fec driver should have the same issue. Due to the fec driver uses NAPI for TX completions, the .ndo_poll_controller is unnecessary to be implemented in the fec driver, so fec_poll_controller() can be safely removed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e2348d8c61d03feece1de4c05f72e6e99f74c650
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33ePatch
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 *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fec: remove .ndo_poll_controller to avoid deadlocks\n\nThere is a deadlock issue found in sungem driver, please refer to the\ncommit ac0a230f719b (\"eth: sungem: remove .ndo_poll_controller to avoid\ndeadlocks\"). The root cause of the issue is that netpoll is in atomic\ncontext and disable_irq() is called by .ndo_poll_controller interface\nof sungem driver, however, disable_irq() might sleep. After analyzing\nthe implementation of fec_poll_controller(), the fec driver should have\nthe same issue. Due to the fec driver uses NAPI for TX completions, the\n.ndo_poll_controller is unnecessary to be implemented in the fec driver,\nso fec_poll_controller() can be safely removed."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: fec: elimine .ndo_poll_controller para evitar interbloqueos. Se encontr\u00f3 un problema de interbloqueo en el controlador sungem; consulte el commit ac0a230f719b (\"eth: sungem: elimine .ndo_poll_controller para evitar interbloqueos \"). La causa principal del problema es que netpoll est\u00e1 en un contexto at\u00f3mico y la interfaz .ndo_poll_controller del controlador sungem llama a enable_irq(); sin embargo, enable_irq() puede estar inactivo. Despu\u00e9s de analizar la implementaci\u00f3n de fec_poll_controller(), el controlador fec deber\u00eda tener el mismo problema. Debido a que el controlador fec utiliza NAPI para las completaciones de TX, no es necesario implementar .ndo_poll_controller en el controlador fec, por lo que fec_poll_controller() se puede eliminar de forma segura."
    }
  ],
  "id": "CVE-2024-38553",
  "lastModified": "2025-11-03T22:17:02.333",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-06-19T14:15:15.550",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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