CVE-2023-53569 (GCVE-0-2023-53569)
Vulnerability from cvelistv5
Published
2025-10-04 15:17
Modified
2025-10-04 15:17
Severity ?
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ext2/ext2.h",
            "fs/ext2/super.c"
          ],
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.4.244",
              "versionType": "semver"
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              "version": "5.15.113",
              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.30",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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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\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": [
        {
          "url": "https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c"
        },
        {
          "url": "https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e"
        },
        {
          "url": "https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584"
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        {
          "url": "https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001"
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        },
        {
          "url": "https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e"
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        {
          "url": "https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a"
        }
      ],
      "title": "ext2: Check block size validity during mount",
      "x_generator": {
        "engine": "bippy-1.2.0"
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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": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53569\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T16:15:52.460\",\"lastModified\":\"2025-10-06T14:56:21.733\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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