CVE-2023-53695 (GCVE-0-2023-53695)
Vulnerability from cvelistv5
Published
2025-10-22 13:23
Modified
2026-01-05 10:32
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: udf: Detect system inodes linked into directory hierarchy When UDF filesystem is corrupted, hidden system inodes can be linked into directory hierarchy which is an avenue for further serious corruption of the filesystem and kernel confusion as noticed by syzbot fuzzed images. Refuse to access system inodes linked into directory hierarchy and vice versa.
References
Impacted products
Vendor Product Version
Linux Linux Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 6174c2eb8ecef271159bdcde460ce8af54d8f72f
Version: 801c7a20d255e300ab51a6fcb1d0e218d136b16f
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/udf/inode.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "version": "3.18"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.278",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.235",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.10.173",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.99",
              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "versionStartIncluding": "3.18",
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nudf: Detect system inodes linked into directory hierarchy\n\nWhen UDF filesystem is corrupted, hidden system inodes can be linked\ninto directory hierarchy which is an avenue for further serious\ncorruption of the filesystem and kernel confusion as noticed by syzbot\nfuzzed images. Refuse to access system inodes linked into directory\nhierarchy and vice versa."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-05T10:32:26.458Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1dc71eeb198a8daa17d0c995998a53b0b749a158"
        },
        {
          "url": "https://git.kernel.org/stable/c/d747b31e2925a2f384e7dd1901a2e5bc5f984ed8"
        },
        {
          "url": "https://git.kernel.org/stable/c/a44ec34b90440ada190924f5908b97026504fdcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/37e74003d81e79457535cbbdfa1603431c03fac0"
        },
        {
          "url": "https://git.kernel.org/stable/c/1f328751b65c49c13a312d67a3bf27766b85baf7"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e3b5ef7d02eaa6553e79b4af9bd99227280f245"
        },
        {
          "url": "https://git.kernel.org/stable/c/85a37983ec69cc9fcd188bc37c4de15ee326355a"
        }
      ],
      "title": "udf: Detect system inodes linked into directory hierarchy",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53695",
    "datePublished": "2025-10-22T13:23:36.524Z",
    "dateReserved": "2025-10-22T13:21:37.344Z",
    "dateUpdated": "2026-01-05T10:32:26.458Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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