fkie_cve-2022-49790
Vulnerability from fkie_nvd
Published
2025-05-01 15:16
Modified
2025-11-05 15:17
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: Input: iforce - invert valid length check when fetching device IDs syzbot is reporting uninitialized value at iforce_init_device() [1], for commit 6ac0aec6b0a6 ("Input: iforce - allow callers supply data buffer when fetching device IDs") is checking that valid length is shorter than bytes to read. Since iforce_get_id_packet() stores valid length when returning 0, the caller needs to check that valid length is longer than or equals to bytes to read.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24cc679abbf31477d0cc6106ec83c2fbae6b3cdfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d53797ce7ce8fb1d95a5bebc5efa9418c4217a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6365569d62a75ddf53fb0c2936c16587a365984cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8ebf250997c5fb253582f42bfe98673801ebebdPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fdd57c20d4408cac3c3c535c120d244e083406c9Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1


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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: iforce - invert valid length check when fetching device IDs\n\nsyzbot is reporting uninitialized value at iforce_init_device() [1], for\ncommit 6ac0aec6b0a6 (\"Input: iforce - allow callers supply data buffer\nwhen fetching device IDs\") is checking that valid length is shorter than\nbytes to read. Since iforce_get_id_packet() stores valid length when\nreturning 0, the caller needs to check that valid length is longer than or\nequals to bytes to read."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Entrada: iforce - invierte la comprobaci\u00f3n de longitud v\u00e1lida al obtener los ID de dispositivo. syzbot informa un valor no inicializado en iforce_init_device() [1], para el commit 6ac0aec6b0a6 (\"Entrada: iforce - permite que los llamantes suministren el b\u00fafer de datos al obtener los ID de dispositivo\") y comprueba que la longitud v\u00e1lida sea menor que los bytes a leer. Dado que iforce_get_id_packet() almacena la longitud v\u00e1lida al devolver 0, el llamante debe comprobar que la longitud v\u00e1lida sea mayor o igual que los bytes a leer."
    }
  ],
  "id": "CVE-2022-49790",
  "lastModified": "2025-11-05T15:17:49.877",
  "metrics": {
    "cvssMetricV31": [
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        "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-05-01T15:16:02.260",
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  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-908"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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