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CVE-2022-49422

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix the error handling path in idxd_cdev_register() If a call to alloc_chrdev_region() fails, the already allocated resources are leaking. Add the needed error handling path to fix the leak.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-02-26 07:01:18.657000
Last modified
2026-11-05 20:17:06.070000
View original CVE JSON
{
  "id": "CVE-2022-49422",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-02-26T07:01:18.657",
  "lastModified": "2026-11-05T20:17:06.070",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix the error handling path in idxd_cdev_register()\n\nIf a call to alloc_chrdev_region() fails, the already allocated resources\nare leaking.\n\nAdd the needed error handling path to fix the leak."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: Se corrige la ruta de gestión de errores en idxd_cdev_register(). Si falla una llamada a alloc_chrdev_region(), se pierden los recursos ya asignados. Agregue la ruta de manejo de errores necesaria para corregir la pérdida."
    }
  ],
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      "affectedData": [
        {
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          "programFiles": [
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          ],
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          "versions": [
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              "versionType": "original_commit_for_fix",
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  ],
  "metrics": {
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          "baseSeverity": "MEDIUM",
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          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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}