CVE-2023-53569 (GCVE-0-2023-53569)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:17 – Updated: 2025-10-04 15:17
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0ebfaf14150f55550cffb1148ed3920143c7a69c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 451b98155be5dfee05bc6e7c8b30c0be4add3f71 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c4813f858e5c3e4c4659ce95385c1c400c593e1e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 22ab5fed07ad4b206ea910fd0132d1a0d4831584 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 99f8a15af6c9f0653193104a9e70891f950c6001 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c2e7776843a953fd7e48895c3880c277f996193e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 62aeb94433fcec80241754b70d0d1836d5926b0a (git)
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    Linux Linux Unaffected: 4.14.316 , ≤ 4.14.* (semver)
Unaffected: 4.19.284 , ≤ 4.19.* (semver)
Unaffected: 5.4.244 , ≤ 5.4.* (semver)
Unaffected: 5.10.181 , ≤ 5.10.* (semver)
Unaffected: 5.15.113 , ≤ 5.15.* (semver)
Unaffected: 6.1.30 , ≤ 6.1.* (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ext2/ext2.h",
            "fs/ext2/super.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.284",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.244",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.181",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next2: Check block size validity during mount\n\nCheck that log of block size stored in the superblock has sensible\nvalue. Otherwise the shift computing the block size can overflow leading\nto undefined behavior."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T15:17:10.734Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c"
        },
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          "url": "https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71"
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          "url": "https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a"
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      ],
      "title": "ext2: Check block size validity during mount",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53569",
    "datePublished": "2025-10-04T15:17:10.734Z",
    "dateReserved": "2025-10-04T15:14:15.924Z",
    "dateUpdated": "2025-10-04T15:17:10.734Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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Sightings

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Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.