FKIE_CVE-2022-49498

Vulnerability from fkie_nvd - Published: 2025-02-26 07:01 - Updated: 2025-10-01 20:16
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0ccaPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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    {
      "nodes": [
        {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: pcm: Verificar si el puntero de la subsecuencia de puntero es nulo antes de desreferenciarlo La subsecuencia de puntero se desreferencia en la asignaci\u00f3n de la tarjeta de puntero antes de que la subsecuencia sea verificada como nula con la macro PCM_RUNTIME_CHECK. Aunque PCM_RUNTIME_CHECK llama a BUG_ON, sigue siendo \u00fatil realizar la verificaci\u00f3n del puntero antes de que se asigne la tarjeta."
    }
  ],
  "id": "CVE-2022-49498",
  "lastModified": "2025-10-01T20:16:31.100",
  "metrics": {
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          "baseScore": 5.5,
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          "confidentialityImpact": "NONE",
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  "vulnStatus": "Modified",
  "weaknesses": [
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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