CVE-2025-38155 (GCVE-0-2025-38155)
Vulnerability from cvelistv5
Published
2025-07-03 08:35
Modified
2025-07-28 04:13
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init() devm_ioremap() returns NULL on error. Currently, mt7915_mmio_wed_init() does not check for this case, which results in a NULL pointer dereference. Prevent null pointer dereference in mt7915_mmio_wed_init().
References
Impacted products
Vendor Product Version
Linux Linux Version: 4f831d18d12da80cec0bebe5b8ca8702a528195a
Version: 4f831d18d12da80cec0bebe5b8ca8702a528195a
Version: 4f831d18d12da80cec0bebe5b8ca8702a528195a
Version: 4f831d18d12da80cec0bebe5b8ca8702a528195a
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7915/mmio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e9f9cef1877ac32285dbc1f31b86c8955b712fc2",
              "status": "affected",
              "version": "4f831d18d12da80cec0bebe5b8ca8702a528195a",
              "versionType": "git"
            },
            {
              "lessThan": "790d05cde359356feea8915094a51166af1629f5",
              "status": "affected",
              "version": "4f831d18d12da80cec0bebe5b8ca8702a528195a",
              "versionType": "git"
            },
            {
              "lessThan": "d825ed9fd768be10d52beba6f57a4b50c0c154aa",
              "status": "affected",
              "version": "4f831d18d12da80cec0bebe5b8ca8702a528195a",
              "versionType": "git"
            },
            {
              "lessThan": "efb95439c1477bbc955cacd0179c35e7861b437c",
              "status": "affected",
              "version": "4f831d18d12da80cec0bebe5b8ca8702a528195a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7915/mmio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.94",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.34",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7915_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7915_mmio_wed_init()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:13:45.339Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e9f9cef1877ac32285dbc1f31b86c8955b712fc2"
        },
        {
          "url": "https://git.kernel.org/stable/c/790d05cde359356feea8915094a51166af1629f5"
        },
        {
          "url": "https://git.kernel.org/stable/c/d825ed9fd768be10d52beba6f57a4b50c0c154aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/efb95439c1477bbc955cacd0179c35e7861b437c"
        }
      ],
      "title": "wifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38155",
    "datePublished": "2025-07-03T08:35:58.185Z",
    "dateReserved": "2025-04-16T04:51:23.990Z",
    "dateUpdated": "2025-07-28T04:13:45.339Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38155\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-03T09:15:30.497\",\"lastModified\":\"2025-07-03T15:13:53.147\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mt76: mt7915: Fix null-ptr-deref in mt7915_mmio_wed_init()\\n\\ndevm_ioremap() returns NULL on error. Currently, mt7915_mmio_wed_init()\\ndoes not check for this case, which results in a NULL pointer\\ndereference.\\n\\nPrevent null pointer dereference in mt7915_mmio_wed_init().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: mt7915: Se corrige la desreferencia de puntero nulo en mt7915_mmio_wed_init(). devm_ioremap() devuelve NULL en caso de error. Actualmente, mt7915_mmio_wed_init() no verifica este caso, lo que resulta en una desreferencia de puntero nulo. Se debe evitar la desreferencia de puntero nulo en mt7915_mmio_wed_init().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/790d05cde359356feea8915094a51166af1629f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d825ed9fd768be10d52beba6f57a4b50c0c154aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e9f9cef1877ac32285dbc1f31b86c8955b712fc2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/efb95439c1477bbc955cacd0179c35e7861b437c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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