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CVE-2022-50809

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

xhci: dbc: Fix memory leak in xhci_alloc_dbc()

If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-50809",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802",
              "lessThan": "103b459590e1eb4d80b02761eb36c7cae1d9b58e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
              "lessThan": "116d6a6964986ea7eb516daa36128d270f1f248d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
              "lessThan": "69e67c804d09a6b1bcda1f4f242f151f813eeb4a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "534675942e901959b5d8dc11ea526c4e48817d8e",
              "lessThan": "d591b32e519603524a35b172156db71df9116902",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5.15.58",
              "lessThan": "5.15.75",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "drivers/usb/host/xhci-dbgcap.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.18"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.18",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/usb/host/xhci-dbgcap.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:15:55.027",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: dbc: Fix memory leak in xhci_alloc_dbc()\n\nIf DbC is already in use, then the allocated memory for the xhci_dbc struct\ndoesn't get freed before returning NULL, which leads to a memleak."
    }
  ],
  "lastModified": "2026-06-17T05:24:13.607",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}