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CVE-2026-23196

Estado: AnalizadaMedia (5.5)—

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

HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer

Add DMA buffer readiness check before reading DMA buffer to avoid unexpected NULL pointer accessing.

CVSS

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)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-23196",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "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": "4138f21115aec3ebae7805ec3407c72d93558023",
              "lessThan": "1e84a807c98a71f767fd1f609637bc5944f916cb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4138f21115aec3ebae7805ec3407c72d93558023",
              "lessThan": "a9a917998d172ec117f9e9de1919174153c0ace4",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.14"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.14",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-02-14T17:15:57.440",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1e84a807c98a71f767fd1f609637bc5944f916cb",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a9a917998d172ec117f9e9de1919174153c0ace4",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer\n\nAdd DMA buffer readiness check before reading DMA buffer to avoid\nunexpected NULL pointer accessing."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nHID: Intel-thc-hid: Intel-thc: Añadir comprobación de seguridad para la lectura del búfer DMA\n\nAñadir comprobación de disponibilidad del búfer DMA antes de leer el búfer DMA para evitar el acceso inesperado a punteros NULL."
    }
  ],
  "lastModified": "2026-06-17T10:21:04.740",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4A68C73F-9B63-4EBC-9C52-F9679DAE3D65",
              "versionEndExcluding": "6.18.10",
              "versionStartIncluding": "6.14"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*",
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              "vulnerable": true,
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          "operator": "OR"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}