FKIE_CVE-2024-27009

Vulnerability from fkie_nvd - Published: 2024-05-01 06:15 - Updated: 2025-11-04 18:16
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/cio: fix race condition during online processing A race condition exists in ccw_device_set_online() that can cause the online process to fail, leaving the affected device in an inconsistent state. As a result, subsequent attempts to set that device online fail with return code ENODEV. The problem occurs when a path verification request arrives after a wait for final device state completed, but before the result state is evaluated. Fix this by ensuring that the CCW-device lock is held between determining final state and checking result state. Note that since: commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers") path verification requests are much more likely to occur during boot, resulting in an increased chance of this race condition occurring.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2d8527f2f911fab84aec04df4788c0c23af3df48Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2df56f4ea769ff81e51bbb05699989603bde9c49Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3076b3c38a704e10df5e143c213653309d532538Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/559f3a6333397ab6cd4a696edd65a70b6be62c6ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4234decd0fe429832ca81c4637be7248b88b49ePatch
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
To clipboard 

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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: fix race condition during online processing\n\nA race condition exists in ccw_device_set_online() that can cause the\nonline process to fail, leaving the affected device in an inconsistent\nstate. As a result, subsequent attempts to set that device online fail\nwith return code ENODEV.\n\nThe problem occurs when a path verification request arrives after\na wait for final device state completed, but before the result state\nis evaluated.\n\nFix this by ensuring that the CCW-device lock is held between\ndetermining final state and checking result state.\n\nNote that since:\n\ncommit 2297791c92d0 (\"s390/cio: dont unregister subchannel from child-drivers\")\n\npath verification requests are much more likely to occur during boot,\nresulting in an increased chance of this race condition occurring."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/cio: corrige la condici\u00f3n de ejecuci\u00f3n durante el procesamiento en l\u00ednea Existe una condici\u00f3n de ejecuci\u00f3n en ccw_device_set_online() que puede causar que el proceso en l\u00ednea falle, dejando el dispositivo afectado en un estado inconsistente. Como resultado, los intentos posteriores de configurar ese dispositivo en l\u00ednea fallan con el c\u00f3digo de retorno ENODEV. El problema se produce cuando llega una solicitud de verificaci\u00f3n de ruta despu\u00e9s de que se complete la espera hasta que se complete el estado final del dispositivo, pero antes de que se eval\u00fae el estado del resultado. Solucione este problema asegur\u00e1ndose de que el bloqueo del dispositivo CCW se mantenga entre la determinaci\u00f3n del estado final y la verificaci\u00f3n del estado del resultado. Tenga en cuenta que desde: commit 2297791c92d0 (\"s390/cio: no cancelar el registro del subcanal de los controladores secundarios\") es mucho m\u00e1s probable que se produzcan solicitudes de verificaci\u00f3n de ruta durante el arranque, lo que aumenta las posibilidades de que se produzca esta condici\u00f3n de ejecuci\u00f3n."
    }
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  "id": "CVE-2024-27009",
  "lastModified": "2025-11-04T18:16:10.513",
  "metrics": {
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          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2024-05-01T06:15:19.360",
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  "vulnStatus": "Modified",
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  • 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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