FKIE_CVE-2023-52631

Vulnerability from fkie_nvd - Published: 2024-04-02 07:15 - Updated: 2026-06-17 06:43
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: fs/ntfs3: Fix an NULL dereference bug The issue here is when this is called from ntfs_load_attr_list(). The "size" comes from le32_to_cpu(attr->res.data_size) so it can't overflow on a 64bit systems but on 32bit systems the "+ 1023" can overflow and the result is zero. This means that the kmalloc will succeed by returning the ZERO_SIZE_PTR and then the memcpy() will crash with an Oops on the next line.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/686820fe141ea0220fc6fdfc7e5694f915cf64b2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2dd7b953c25ffd5912dda17e980e7168bebcf6cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ec1bedd797588fe38fc11cba26d77bb1d9b194c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb7bcd1722bc9bc55160378f5f99c01198fd14a7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/686820fe141ea0220fc6fdfc7e5694f915cf64b2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b2dd7b953c25ffd5912dda17e980e7168bebcf6cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ec1bedd797588fe38fc11cba26d77bb1d9b194c6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fb7bcd1722bc9bc55160378f5f99c01198fd14a7Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/ntfs_fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b",
              "status": "affected",
              "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
              "versionType": "git"
            },
            {
              "lessThan": "ec1bedd797588fe38fc11cba26d77bb1d9b194c6",
              "status": "affected",
              "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
              "versionType": "git"
            },
            {
              "lessThan": "fb7bcd1722bc9bc55160378f5f99c01198fd14a7",
              "status": "affected",
              "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
              "versionType": "git"
            },
            {
              "lessThan": "686820fe141ea0220fc6fdfc7e5694f915cf64b2",
              "status": "affected",
              "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
              "versionType": "git"
            },
            {
              "lessThan": "b2dd7b953c25ffd5912dda17e980e7168bebcf6c",
              "status": "affected",
              "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/ntfs_fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.149",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5DAC8D7B-7B93-476C-86C0-E4A247061C4E",
              "versionEndExcluding": "5.15.149",
              "versionStartIncluding": "5.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "26190115-BC0C-4106-9408-E7928FE5DA62",
              "versionEndExcluding": "6.1.78",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "73F8C6ED-5A0B-4B25-8FA9-AF916A9C8F0B",
              "versionEndExcluding": "6.6.17",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "01925741-2C95-47C1-A7EA-3DC2BB0012D3",
              "versionEndExcluding": "6.7.5",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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": "2026-06-17T06:43:12.643",
  "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-52631",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-02T15:17:18.815654Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-02T07:15:40.900",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/686820fe141ea0220fc6fdfc7e5694f915cf64b2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/b2dd7b953c25ffd5912dda17e980e7168bebcf6c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ec1bedd797588fe38fc11cba26d77bb1d9b194c6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/fb7bcd1722bc9bc55160378f5f99c01198fd14a7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/686820fe141ea0220fc6fdfc7e5694f915cf64b2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ae4acad41b0f93f1c26cc0fc9135bb79d8282d0b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b2dd7b953c25ffd5912dda17e980e7168bebcf6c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/ec1bedd797588fe38fc11cba26d77bb1d9b194c6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/fb7bcd1722bc9bc55160378f5f99c01198fd14a7"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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