GHSA-8F4G-P77G-3PF2
Vulnerability from github – Published: 2025-08-19 18:31 – Updated: 2025-11-26 18:30In 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".
{
"affected": [],
"aliases": [
"CVE-2025-38615"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-19T17:15:40Z",
"severity": "MODERATE"
},
"details": "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\".",
"id": "GHSA-8f4g-p77g-3pf2",
"modified": "2025-11-26T18:30:58Z",
"published": "2025-08-19T18:31:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38615"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/358d4f821c03add421a4c49290538a705852ccf1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3ed2cc6a6e93fbeb8c0cafce1e7fb1f64a331dcc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a285395020780adac1ffbc844069c3d700bf007a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b35a50d639ca5259466ef5fea85529bb4fb17d5b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d99208b91933fd2a58ed9ed321af07dacd06ddc3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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