cve-2024-53147
Vulnerability from cvelistv5
Published
2024-12-24 11:28
Modified
2025-01-20 06:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: exfat: fix out-of-bounds access of directory entries In the case of the directory size is greater than or equal to the cluster size, if start_clu becomes an EOF cluster(an invalid cluster) due to file system corruption, then the directory entry where ei->hint_femp.eidx hint is outside the directory, resulting in an out-of-bounds access, which may cause further file system corruption. This commit adds a check for start_clu, if it is an invalid cluster, the file or directory will be treated as empty.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/184fa506e392eb78364d9283c961217ff2c0617b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ddd1cb2b458ff6a193bc845f408dfff217db29e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0120d6463368378539ef928cf067d02372efb8c
Impacted products
Vendor Product Version
Linux Linux Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
Version: 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003
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   Linux Linux Version: 5.7
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/namei.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a0120d6463368378539ef928cf067d02372efb8c",
              "status": "affected",
              "version": "1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003",
              "versionType": "git"
            },
            {
              "lessThan": "3ddd1cb2b458ff6a193bc845f408dfff217db29e",
              "status": "affected",
              "version": "1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003",
              "versionType": "git"
            },
            {
              "lessThan": "184fa506e392eb78364d9283c961217ff2c0617b",
              "status": "affected",
              "version": "1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/namei.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix out-of-bounds access of directory entries\n\nIn the case of the directory size is greater than or equal to\nthe cluster size, if start_clu becomes an EOF cluster(an invalid\ncluster) due to file system corruption, then the directory entry\nwhere ei-\u003ehint_femp.eidx hint is outside the directory, resulting\nin an out-of-bounds access, which may cause further file system\ncorruption.\n\nThis commit adds a check for start_clu, if it is an invalid cluster,\nthe file or directory will be treated as empty."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:19:44.694Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a0120d6463368378539ef928cf067d02372efb8c"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ddd1cb2b458ff6a193bc845f408dfff217db29e"
        },
        {
          "url": "https://git.kernel.org/stable/c/184fa506e392eb78364d9283c961217ff2c0617b"
        }
      ],
      "title": "exfat: fix out-of-bounds access of directory entries",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53147",
    "datePublished": "2024-12-24T11:28:47.695Z",
    "dateReserved": "2024-11-19T17:17:24.998Z",
    "dateUpdated": "2025-01-20T06:19:44.694Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-53147\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-24T12:15:22.777\",\"lastModified\":\"2024-12-24T12:15:22.777\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nexfat: fix out-of-bounds access of directory entries\\n\\nIn the case of the directory size is greater than or equal to\\nthe cluster size, if start_clu becomes an EOF cluster(an invalid\\ncluster) due to file system corruption, then the directory entry\\nwhere ei-\u003ehint_femp.eidx hint is outside the directory, resulting\\nin an out-of-bounds access, which may cause further file system\\ncorruption.\\n\\nThis commit adds a check for start_clu, if it is an invalid cluster,\\nthe file or directory will be treated as empty.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/184fa506e392eb78364d9283c961217ff2c0617b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3ddd1cb2b458ff6a193bc845f408dfff217db29e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a0120d6463368378539ef928cf067d02372efb8c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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