FKIE_CVE-2024-41063

Vulnerability from fkie_nvd - Published: 2024-07-29 15:15 - Updated: 2026-06-17 07:47
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: Bluetooth: hci_core: cancel all works upon hci_unregister_dev() syzbot is reporting that calling hci_release_dev() from hci_error_reset() due to hci_dev_put() from hci_error_reset() can cause deadlock at destroy_workqueue(), for hci_error_reset() is called from hdev->req_workqueue which destroy_workqueue() needs to flush. We need to make sure that hdev->{rx_work,cmd_work,tx_work} which are queued into hdev->workqueue and hdev->{power_on,error_reset} which are queued into hdev->req_workqueue are no longer running by the moment destroy_workqueue(hdev->workqueue); destroy_workqueue(hdev->req_workqueue); are called from hci_release_dev(). Call cancel_work_sync() on these work items from hci_unregister_dev() as soon as hdev->list is removed from hci_dev_list.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d151a103775dd9645c78c97f77d6e2a5298d913Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3f939bd73fed12dddc2a32a76116c19ca47c7678Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/48542881997e17b49dc16b93fe910e0cfcf7a9f9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/96600c2e5ee8213dbab5df1617293d8e847bb4faPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9cfc84b1d464cc024286f42a090718f9067b80edPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2ce562a5aff1dcd0c50d9808ea825ef90da909fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6cbce18370641a21dd889e8613d8153df15eb39Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ddeda6ca5f218b668b560d90fc31ae469adbfd92Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0d151a103775dd9645c78c97f77d6e2a5298d913Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3f939bd73fed12dddc2a32a76116c19ca47c7678Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/48542881997e17b49dc16b93fe910e0cfcf7a9f9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/96600c2e5ee8213dbab5df1617293d8e847bb4faPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9cfc84b1d464cc024286f42a090718f9067b80edPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d2ce562a5aff1dcd0c50d9808ea825ef90da909fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d6cbce18370641a21dd889e8613d8153df15eb39Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ddeda6ca5f218b668b560d90fc31ae469adbfd92Patch
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 *
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
To clipboard 

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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_core: cancel all works upon hci_unregister_dev()\n\nsyzbot is reporting that calling hci_release_dev() from hci_error_reset()\ndue to hci_dev_put() from hci_error_reset() can cause deadlock at\ndestroy_workqueue(), for hci_error_reset() is called from\nhdev-\u003ereq_workqueue which destroy_workqueue() needs to flush.\n\nWe need to make sure that hdev-\u003e{rx_work,cmd_work,tx_work} which are\nqueued into hdev-\u003eworkqueue and hdev-\u003e{power_on,error_reset} which are\nqueued into hdev-\u003ereq_workqueue are no longer running by the moment\n\n       destroy_workqueue(hdev-\u003eworkqueue);\n       destroy_workqueue(hdev-\u003ereq_workqueue);\n\nare called from hci_release_dev().\n\nCall cancel_work_sync() on these work items from hci_unregister_dev()\nas soon as hdev-\u003elist is removed from hci_dev_list."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: hci_core: cancelar todos los trabajos en hci_unregister_dev() syzbot informa que llamar a hci_release_dev() desde hci_error_reset() debido a hci_dev_put() desde hci_error_reset() puede causar un punto muerto en destroy_workqueue( ), porque hci_error_reset() se llama desde hdev-\u0026gt;req_workqueue y destroy_workqueue() necesita vaciarse. Necesitamos asegurarnos de que hdev-\u0026gt;{rx_work,cmd_work,tx_work} que est\u00e1n en cola en hdev-\u0026gt;workqueue y hdev-\u0026gt;{power_on,error_reset} que est\u00e1n en cola en hdev-\u0026gt;req_workqueue ya no se est\u00e9n ejecutando en el momento destroy_workqueue( hdev-\u0026gt;cola de trabajo); destroy_workqueue(hdev-\u0026gt;req_workqueue); se llaman desde hci_release_dev(). Llame a cancel_work_sync() en estos elementos de trabajo desde hci_unregister_dev() tan pronto como se elimine hdev-\u0026gt;list de hci_dev_list."
    }
  ],
  "id": "CVE-2024-41063",
  "lastModified": "2026-06-17T07:47:11.937",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-41063",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:22:02.545206Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-29T15:15:14.243",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/0d151a103775dd9645c78c97f77d6e2a5298d913"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/3f939bd73fed12dddc2a32a76116c19ca47c7678"
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    {
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      "url": "https://git.kernel.org/stable/c/48542881997e17b49dc16b93fe910e0cfcf7a9f9"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "url": "https://git.kernel.org/stable/c/d6cbce18370641a21dd889e8613d8153df15eb39"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "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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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.