CVE-2025-38013 (GCVE-0-2025-38013)
Vulnerability from cvelistv5
Published
2025-06-18 09:28
Modified
2025-06-18 09:28
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request Make sure that n_channels is set after allocating the struct cfg80211_registered_device::int_scan_req member. Seen with syzkaller: UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:1208:5 index 0 is out of range for type 'struct ieee80211_channel *[] __counted_by(n_channels)' (aka 'struct ieee80211_channel *[]') This was missed in the initial conversions because I failed to locate the allocation likely due to the "sizeof(void *)" not matching the "channels" array type.
References
Impacted products
Vendor Product Version
Linux Linux Version: e3eac9f32ec04112b39e01b574ac739382469bf9
Version: e3eac9f32ec04112b39e01b574ac739382469bf9
Version: e3eac9f32ec04112b39e01b574ac739382469bf9
Version: e3eac9f32ec04112b39e01b574ac739382469bf9
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mac80211/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fde33ab3c052a302ee8a0b739094b88ceae4dd67",
              "status": "affected",
              "version": "e3eac9f32ec04112b39e01b574ac739382469bf9",
              "versionType": "git"
            },
            {
              "lessThan": "07c737d9ab02c07b562aefcca16aa95077368e24",
              "status": "affected",
              "version": "e3eac9f32ec04112b39e01b574ac739382469bf9",
              "versionType": "git"
            },
            {
              "lessThan": "e3192e999a0d05ea0ba2c59c09afaf0b8ee70b81",
              "status": "affected",
              "version": "e3eac9f32ec04112b39e01b574ac739382469bf9",
              "versionType": "git"
            },
            {
              "lessThan": "82bbe02b2500ef0a62053fe2eb84773fe31c5a0a",
              "status": "affected",
              "version": "e3eac9f32ec04112b39e01b574ac739382469bf9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/mac80211/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.92",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.92",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.30",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.8",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request\n\nMake sure that n_channels is set after allocating the\nstruct cfg80211_registered_device::int_scan_req member. Seen with\nsyzkaller:\n\nUBSAN: array-index-out-of-bounds in net/mac80211/scan.c:1208:5\nindex 0 is out of range for type \u0027struct ieee80211_channel *[] __counted_by(n_channels)\u0027 (aka \u0027struct ieee80211_channel *[]\u0027)\n\nThis was missed in the initial conversions because I failed to locate\nthe allocation likely due to the \"sizeof(void *)\" not matching the\n\"channels\" array type."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T09:28:22.672Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fde33ab3c052a302ee8a0b739094b88ceae4dd67"
        },
        {
          "url": "https://git.kernel.org/stable/c/07c737d9ab02c07b562aefcca16aa95077368e24"
        },
        {
          "url": "https://git.kernel.org/stable/c/e3192e999a0d05ea0ba2c59c09afaf0b8ee70b81"
        },
        {
          "url": "https://git.kernel.org/stable/c/82bbe02b2500ef0a62053fe2eb84773fe31c5a0a"
        }
      ],
      "title": "wifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38013",
    "datePublished": "2025-06-18T09:28:22.672Z",
    "dateReserved": "2025-04-16T04:51:23.977Z",
    "dateUpdated": "2025-06-18T09:28:22.672Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38013\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T10:15:32.797\",\"lastModified\":\"2025-06-18T13:46:52.973\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request\\n\\nMake sure that n_channels is set after allocating the\\nstruct cfg80211_registered_device::int_scan_req member. Seen with\\nsyzkaller:\\n\\nUBSAN: array-index-out-of-bounds in net/mac80211/scan.c:1208:5\\nindex 0 is out of range for type \u0027struct ieee80211_channel *[] __counted_by(n_channels)\u0027 (aka \u0027struct ieee80211_channel *[]\u0027)\\n\\nThis was missed in the initial conversions because I failed to locate\\nthe allocation likely due to the \\\"sizeof(void *)\\\" not matching the\\n\\\"channels\\\" array type.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: Establecer n_channels tras asignar la estructura cfg80211_scan_request. Aseg\u00farese de que n_channels est\u00e9 establecido tras asignar el miembro de la estructura cfg80211_registered_device::int_scan_req. Observada con syzkaller: UBSAN: array-index-out-of-bounds en net/mac80211/scan.c:1208:5. El \u00edndice 0 est\u00e1 fuera de rango para el tipo \u0027struct ieee80211_channel *[] __counted_by(n_channels)\u0027 (tambi\u00e9n conocido como \u0027struct ieee80211_channel *[]\u0027). Esto no se detect\u00f3 en las conversiones iniciales porque no se localiz\u00f3 la asignaci\u00f3n, probablemente debido a que \\\"sizeof(void *)\\\" no coincide con el tipo de matriz \\\"channels\\\".\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/07c737d9ab02c07b562aefcca16aa95077368e24\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/82bbe02b2500ef0a62053fe2eb84773fe31c5a0a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e3192e999a0d05ea0ba2c59c09afaf0b8ee70b81\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fde33ab3c052a302ee8a0b739094b88ceae4dd67\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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