fkie_cve-2025-38156
Vulnerability from fkie_nvd
Published
2025-07-03 09:15
Modified
2025-11-20 20:13
Severity ?
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: wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init() devm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init() does not check for this case, which results in a NULL pointer dereference. Prevent null pointer dereference in mt7996_mmio_wed_init()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15BC1D57-68F1-439E-BE58-136CEB32896A",
              "versionEndExcluding": "6.12.34",
              "versionStartIncluding": "6.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92",
              "versionEndExcluding": "6.15.3",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7996_mmio_wed_init()"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: mt7996: Se ha corregido la vulnerabilidad null-ptr-deref en mt7996_mmio_wed_init(). Devm_ioremap() devuelve NULL en caso de error. Actualmente, mt7996_mmio_wed_init() no verifica este caso, lo que resulta en una desreferencia de puntero NULL. Evitar la desreferencia de puntero NULL en mt7996_mmio_wed_init()."
    }
  ],
  "id": "CVE-2025-38156",
  "lastModified": "2025-11-20T20:13:31.493",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-07-03T09:15:30.620",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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