{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-52631"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix an NULL dereference bug\n\nThe issue here is when this is called from ntfs_load_attr_list().  The\n\"size\" comes from le32_to_cpu(attr-\u003eres.data_size) so it can\u0027t overflow\non a 64bit systems but on 32bit systems the \"+ 1023\" can overflow and\nthe result is zero.  This means that the kmalloc will succeed by\nreturning the ZERO_SIZE_PTR and then the memcpy() will crash with an\nOops on the next line.",
      "id": "GSD-2023-52631",
      "modified": "2024-03-07T06:01:45.419478Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-52631",
        "STATE": "PUBLIC"
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      "affects": {
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              "product": {
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                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "be71b5cba2e6",
                          "version_value": "ae4acad41b0f"
                        },
                        {
                          "version_value": "not down converted",
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                                "status": "affected",
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                                "version": "0",
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                              {
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                                "version": "5.15.149",
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                              {
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                                "version": "6.1.78",
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                                "version": "6.6.17",
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                                "lessThanOrEqual": "6.7.*",
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                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
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      "data_type": "CVE",
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      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix an NULL dereference bug\n\nThe issue here is when this is called from ntfs_load_attr_list().  The\n\"size\" comes from le32_to_cpu(attr-\u003eres.data_size) so it can\u0027t overflow\non a 64bit systems but on 32bit systems the \"+ 1023\" can overflow and\nthe result is zero.  This means that the kmalloc will succeed by\nreturning the ZERO_SIZE_PTR and then the memcpy() will crash with an\nOops on the next line."
          }
        ]
      },
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      "problemtype": {
        "problemtype_data": [
          {
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              {
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                "value": "n/a"
              }
            ]
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            "name": "https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b"
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          {
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            "refsource": "MISC",
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          }
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    },
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      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix an NULL dereference bug\n\nThe issue here is when this is called from ntfs_load_attr_list().  The\n\"size\" comes from le32_to_cpu(attr-\u003eres.data_size) so it can\u0027t overflow\non a 64bit systems but on 32bit systems the \"+ 1023\" can overflow and\nthe result is zero.  This means that the kmalloc will succeed by\nreturning the ZERO_SIZE_PTR and then the memcpy() will crash with an\nOops on the next line."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: fs/ntfs3: corrige un error de desreferencia NULL El problema aqu\u00ed es cuando se llama desde ntfs_load_attr_list(). El \"tama\u00f1o\" proviene de le32_to_cpu(attr-\u0026gt;res.data_size), por lo que no puede desbordarse en sistemas de 64 bits, pero en sistemas de 32 bits el \"+ 1023\" puede desbordarse y el resultado es cero. Esto significa que kmalloc tendr\u00e1 \u00e9xito al devolver ZERO_SIZE_PTR y luego memcpy() fallar\u00e1 con un Ups en la siguiente l\u00ednea."
          }
        ],
        "id": "CVE-2023-52631",
        "lastModified": "2024-04-02T12:50:42.233",
        "metrics": {},
        "published": "2024-04-02T07:15:40.900",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
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}