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CVE-2026-90019

Estado: RecibidaSin puntuar—

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

usb: gadget: fix null pointer dereference in usb_put_function_instance()

usb_put_function_instance() attempts to dereference fd inside fi struct to get mod in uvc_alloc_inst() error path. However, fd is not allocated until later in try_get_usb_function_instance() after allocating fi in uvc_alloc_inst() and thus guranteed to be null in error path. Fix this by adding a null check for fi->fd that returns if fd is null.

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-2026-90019",
  "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": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "0fc54a00954f9f4c3e3d4ffa64a530685d99a39b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "6e6736c049683380f5e20becde498986e9293ca4",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "3a9691fff79bcce95338435599df6d3ae433cfdc",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "7a4f4ca7ff32ae24807c83e2a06d62b13378d53c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "d3a7fa61997db3bf6dadef4c1bd87a4fa782a817",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "5117f236e9e30744338b425395d55913c4500897",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2",
              "lessThan": "6e74ac5c596fd246e37eadfc354567179ccbe9aa",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/usb/gadget/functions.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.9"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "3.9",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.270",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.221",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.188",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.51",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/usb/gadget/functions.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-16T11:17:14.780",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0fc54a00954f9f4c3e3d4ffa64a530685d99a39b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3a9691fff79bcce95338435599df6d3ae433cfdc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5117f236e9e30744338b425395d55913c4500897",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6e6736c049683380f5e20becde498986e9293ca4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6e74ac5c596fd246e37eadfc354567179ccbe9aa",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7a4f4ca7ff32ae24807c83e2a06d62b13378d53c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d3a7fa61997db3bf6dadef4c1bd87a4fa782a817",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: fix null pointer dereference in usb_put_function_instance()\n\nusb_put_function_instance() attempts to dereference fd inside fi struct\nto get mod in uvc_alloc_inst() error path. However, fd is not allocated\nuntil later in try_get_usb_function_instance() after allocating fi in\nuvc_alloc_inst() and thus guranteed to be null in error path. Fix this\nby adding a null check for fi->fd that returns if fd is null."
    }
  ],
  "lastModified": "2026-09-16T11:17:14.780",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}