CVE-2025-38615 (GCVE-0-2025-38615)
Vulnerability from cvelistv5
Published
2025-08-19 17:03
Modified
2025-08-19 17:03
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: cancle set bad inode after removing name fails The reproducer uses a file0 on a ntfs3 file system with a corrupted i_link. When renaming, the file0's inode is marked as a bad inode because the file name cannot be deleted. The underlying bug is that make_bad_inode() is called on a live inode. In some cases it's "icache lookup finds a normal inode, d_splice_alias() is called to attach it to dentry, while another thread decides to call make_bad_inode() on it - that would evict it from icache, but we'd already found it there earlier". In some it's outright "we have an inode attached to dentry - that's how we got it in the first place; let's call make_bad_inode() on it just for shits and giggles".
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/358d4f821c03add421a4c49290538a705852ccf1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ed2cc6a6e93fbeb8c0cafce1e7fb1f64a331dcc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a285395020780adac1ffbc844069c3d700bf007a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b35a50d639ca5259466ef5fea85529bb4fb17d5b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d99208b91933fd2a58ed9ed321af07dacd06ddc3
Impacted products
Vendor Product Version
Linux Linux Version: 78ab59fee07f22464f32eafebab2bd97ba94ff2d
Version: 78ab59fee07f22464f32eafebab2bd97ba94ff2d
Version: 78ab59fee07f22464f32eafebab2bd97ba94ff2d
Version: 78ab59fee07f22464f32eafebab2bd97ba94ff2d
Version: 78ab59fee07f22464f32eafebab2bd97ba94ff2d
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   Linux Linux Version: 5.15
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/frecord.c",
            "fs/ntfs3/namei.c",
            "fs/ntfs3/ntfs_fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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            "fs/ntfs3/namei.c",
            "fs/ntfs3/ntfs_fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "6.6.102",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: cancle set bad inode after removing name fails\n\nThe reproducer uses a file0 on a ntfs3 file system with a corrupted i_link.\nWhen renaming, the file0\u0027s inode is marked as a bad inode because the file\nname cannot be deleted.\n\nThe underlying bug is that make_bad_inode() is called on a live inode.\nIn some cases it\u0027s \"icache lookup finds a normal inode, d_splice_alias()\nis called to attach it to dentry, while another thread decides to call\nmake_bad_inode() on it - that would evict it from icache, but we\u0027d already\nfound it there earlier\".\nIn some it\u0027s outright \"we have an inode attached to dentry - that\u0027s how we\ngot it in the first place; let\u0027s call make_bad_inode() on it just for shits\nand giggles\"."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-19T17:03:57.164Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b35a50d639ca5259466ef5fea85529bb4fb17d5b"
        },
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          "url": "https://git.kernel.org/stable/c/3ed2cc6a6e93fbeb8c0cafce1e7fb1f64a331dcc"
        },
        {
          "url": "https://git.kernel.org/stable/c/358d4f821c03add421a4c49290538a705852ccf1"
        },
        {
          "url": "https://git.kernel.org/stable/c/a285395020780adac1ffbc844069c3d700bf007a"
        },
        {
          "url": "https://git.kernel.org/stable/c/d99208b91933fd2a58ed9ed321af07dacd06ddc3"
        }
      ],
      "title": "fs/ntfs3: cancle set bad inode after removing name fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38615",
    "datePublished": "2025-08-19T17:03:57.164Z",
    "dateReserved": "2025-04-16T04:51:24.029Z",
    "dateUpdated": "2025-08-19T17:03:57.164Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38615\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-08-19T17:15:40.177\",\"lastModified\":\"2025-08-20T14:40:17.713\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfs/ntfs3: cancle set bad inode after removing name fails\\n\\nThe reproducer uses a file0 on a ntfs3 file system with a corrupted i_link.\\nWhen renaming, the file0\u0027s inode is marked as a bad inode because the file\\nname cannot be deleted.\\n\\nThe underlying bug is that make_bad_inode() is called on a live inode.\\nIn some cases it\u0027s \\\"icache lookup finds a normal inode, d_splice_alias()\\nis called to attach it to dentry, while another thread decides to call\\nmake_bad_inode() on it - that would evict it from icache, but we\u0027d already\\nfound it there earlier\\\".\\nIn some it\u0027s outright \\\"we have an inode attached to dentry - that\u0027s how we\\ngot it in the first place; let\u0027s call make_bad_inode() on it just for shits\\nand giggles\\\".\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fs/ntfs3: falla la cancelaci\u00f3n de un inodo err\u00f3neo tras eliminar el nombre. El reproductor usa un archivo \\\"file0\\\" en un sistema de archivos ntfs3 con un i_link da\u00f1ado. Al renombrar, el inodo de archivo \\\"file0\\\" se marca como err\u00f3neo porque no se puede eliminar el nombre del archivo. El error subyacente radica en que se llama a make_bad_inode() en un inodo activo. En algunos casos, la b\u00fasqueda de icache encuentra un inodo normal, se llama a d_splice_alias() para asociarlo a dentry, mientras que otro hilo decide llamar a make_bad_inode() en \u00e9l; eso lo expulsar\u00eda de icache, pero ya lo hab\u00edamos encontrado all\u00ed anteriormente. En otros casos, es simplemente: \\\"Tenemos un inodo asociado a dentry; as\u00ed es como lo obtuvimos; llamemos a make_bad_inode() en \u00e9l, solo por diversi\u00f3n\\\".\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/358d4f821c03add421a4c49290538a705852ccf1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3ed2cc6a6e93fbeb8c0cafce1e7fb1f64a331dcc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a285395020780adac1ffbc844069c3d700bf007a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b35a50d639ca5259466ef5fea85529bb4fb17d5b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d99208b91933fd2a58ed9ed321af07dacd06ddc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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