CVE-2025-38615
Full vulnerability record from the local CVENow database.
Description
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".
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-08-19 17:15:40.177000
Last modified
2026-10-30 13:18:06.717000
View original CVE JSON
{
"id": "CVE-2025-38615",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-08-19T17:15:40.177",
"lastModified": "2026-10-30T13:18:06.717",
"vulnStatus": "Modified",
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"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's 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's \"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'd already\nfound it there earlier\".\nIn some it's outright \"we have an inode attached to dentry - that's how we\ngot it in the first place; let's call make_bad_inode() on it just for shits\nand giggles\"."
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fs/ntfs3: falla la cancelación de un inodo erróneo tras eliminar el nombre. El reproductor usa un archivo \"file0\" en un sistema de archivos ntfs3 con un i_link dañado. Al renombrar, el inodo de archivo \"file0\" se marca como erróneo 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 búsqueda 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 él; eso lo expulsaría de icache, pero ya lo habíamos encontrado allí anteriormente. En otros casos, es simplemente: \"Tenemos un inodo asociado a dentry; así es como lo obtuvimos; llamemos a make_bad_inode() en él, solo por diversión\"."
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