CVE-2025-38206 (GCVE-0-2025-38206)
Vulnerability from cvelistv5
Published
2025-07-04 13:37
Modified
2025-07-28 04:15
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: exfat: fix double free in delayed_free The double free could happen in the following path. exfat_create_upcase_table() exfat_create_upcase_table() : return error exfat_free_upcase_table() : free ->vol_utbl exfat_load_default_upcase_table : return error exfat_kill_sb() delayed_free() exfat_free_upcase_table() <--------- double free This patch set ->vol_util as NULL after freeing it.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/nls.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "13d8de1b6568dcc31a95534ced16bc0c9a67bc15",
              "status": "affected",
              "version": "1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003",
              "versionType": "git"
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/nls.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.239",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.186",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.4",
              "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": "5.10.239",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.186",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.4",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "5.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix double free in delayed_free\n\nThe double free could happen in the following path.\n\nexfat_create_upcase_table()\n        exfat_create_upcase_table() : return error\n        exfat_free_upcase_table() : free -\u003evol_utbl\n        exfat_load_default_upcase_table : return error\n     exfat_kill_sb()\n           delayed_free()\n                  exfat_free_upcase_table() \u003c--------- double free\nThis patch set -\u003evol_util as NULL after freeing it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:15:04.639Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15"
        },
        {
          "url": "https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152"
        },
        {
          "url": "https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd"
        },
        {
          "url": "https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22"
        }
      ],
      "title": "exfat: fix double free in delayed_free",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38206",
    "datePublished": "2025-07-04T13:37:25.966Z",
    "dateReserved": "2025-04-16T04:51:23.994Z",
    "dateUpdated": "2025-07-28T04:15:04.639Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38206\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-04T14:15:28.703\",\"lastModified\":\"2025-07-08T16:18:53.607\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nexfat: fix double free in delayed_free\\n\\nThe double free could happen in the following path.\\n\\nexfat_create_upcase_table()\\n        exfat_create_upcase_table() : return error\\n        exfat_free_upcase_table() : free -\u003evol_utbl\\n        exfat_load_default_upcase_table : return error\\n     exfat_kill_sb()\\n           delayed_free()\\n                  exfat_free_upcase_table() \u003c--------- double free\\nThis patch set -\u003evol_util as NULL after freeing it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: exfat: corrige la doble liberaci\u00f3n en delayed_free La doble liberaci\u00f3n podr\u00eda ocurrir en la siguiente ruta. exfat_create_upcase_table() exfat_create_upcase_table() : devolver error exfat_free_upcase_table() : liberar -\u0026gt;vol_utbl exfat_load_default_upcase_table : devolver error exfat_kill_sb() delayed_free() exfat_free_upcase_table() \u0026lt;--------- doble liberaci\u00f3n Este parche establece -\u0026gt;vol_util como NULL despu\u00e9s de liberarlo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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