FKIE_CVE-2022-49954

Vulnerability from fkie_nvd - Published: 2025-06-18 11:15 - Updated: 2026-06-17 05:19
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: Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag syzbot is reporting hung task at __input_unregister_device() [1], for iforce_close() waiting at wait_event_interruptible() with dev->mutex held is blocking input_disconnect_device() from __input_unregister_device(). It seems that the cause is simply that commit c2b27ef672992a20 ("Input: iforce - wait for command completion when closing the device") forgot to call wake_up() after clear_bit(). Fix this problem by introducing a helper that calls clear_bit() followed by wake_up_all().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/98e01215708b6d416345465c09dce2bd4868c67aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b271090eea3899399e2adcf79c9c95367d472b03Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b533b9d3a0d1327cbb31c201dc8dbbf98c8bfe3cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d186c65599bff0222da37b9215784ddfe39f9e1bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df1b53bc799d58f79701c465505a206c72ad4ab8Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33
linux linux_kernel 6.0
linux linux_kernel 6.0
linux linux_kernel 6.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/input/joystick/iforce/iforce-serio.c",
            "drivers/input/joystick/iforce/iforce-usb.c",
            "drivers/input/joystick/iforce/iforce.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d186c65599bff0222da37b9215784ddfe39f9e1b",
              "status": "affected",
              "version": "c2b27ef672992a206e5b221b8676972dd840ffa5",
              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/input/joystick/iforce/iforce-serio.c",
            "drivers/input/joystick/iforce/iforce-usb.c",
            "drivers/input/joystick/iforce/iforce.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.33"
            },
            {
              "lessThan": "2.6.33",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.213",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag\n\nsyzbot is reporting hung task at __input_unregister_device() [1], for\niforce_close() waiting at wait_event_interruptible() with dev-\u003emutex held\nis blocking input_disconnect_device() from __input_unregister_device().\n\nIt seems that the cause is simply that commit c2b27ef672992a20 (\"Input:\niforce - wait for command completion when closing the device\") forgot to\ncall wake_up() after clear_bit().\n\nFix this problem by introducing a helper that calls clear_bit() followed\nby wake_up_all()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Entrada: iforce - reactivar tras borrar el indicador IFORCE_XMIT_RUNNING. syzbot informa que la tarea est\u00e1 bloqueada en __input_unregister_device() [1], ya que iforce_close() espera en wait_event_interruptible() con dev-\u0026gt;mutex retenido, lo que bloquea input_disconnect_device() desde __input_unregister_device(). Parece que la causa es simplemente que el commit c2b27ef672992a20 (\"Entrada: iforce - esperar a que se complete el comando al cerrar el dispositivo\") olvid\u00f3 llamar a wake_up() despu\u00e9s de clear_bit(). Se soluciona este problema mediante un asistente que llame a clear_bit() seguido de wake_up_all()."
    }
  ],
  "id": "CVE-2022-49954",
  "lastModified": "2026-06-17T05:19:36.850",
  "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"
      }
    ]
  },
  "published": "2025-06-18T11:15:22.500",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/98e01215708b6d416345465c09dce2bd4868c67a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/b271090eea3899399e2adcf79c9c95367d472b03"
    },
    {
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    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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