CVE-2025-68369 (GCVE-0-2025-68369)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:32 – Updated: 2025-12-24 10:32
VLAI?
Title
ntfs3: init run lock for extend inode
Summary
In the Linux kernel, the following vulnerability has been resolved: ntfs3: init run lock for extend inode After setting the inode mode of $Extend to a regular file, executing the truncate system call will enter the do_truncate() routine, causing the run_lock uninitialized error reported by syzbot. Prior to patch 4e8011ffec79, if the inode mode of $Extend was not set to a regular file, the do_truncate() routine would not be entered. Add the run_lock initialization when loading $Extend. syzbot reported: INFO: trying to register non-static key. Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 register_lock_class+0x105/0x320 kernel/locking/lockdep.c:1299 __lock_acquire+0x99/0xd20 kernel/locking/lockdep.c:5112 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_write+0x96/0x1f0 kernel/locking/rwsem.c:1590 ntfs_set_size+0x140/0x200 fs/ntfs3/inode.c:860 ntfs_extend+0x1d9/0x970 fs/ntfs3/file.c:387 ntfs_setattr+0x2e8/0xbe0 fs/ntfs3/file.c:808
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 37f65e68ba9852dc51c78dbb54a9881c3f0fe4f7 , < 6e17555728bc469d484c59db4a0abc65c19bc315 (git)
Affected: 57534db1bbc4ca772393bb7d92e69d5e7b9051cf , < 19164d8228317f3f1fe2662a9ba587cfe3b2d29e (git)
Affected: 4e8011ffec79717e5fdac43a7e79faf811a384b7 , < ab5e8ebeee1caa4fcf8be7d8d62c0a7165469076 (git)
Affected: 4e8011ffec79717e5fdac43a7e79faf811a384b7 , < be99c62ac7e7af514e4b13f83c891a3cccefaa48 (git)
Affected: 63eb6730ce0604d3eacf036c2f68ea70b068317c (git)
Affected: 78d46f5276ed3589aaaa435580068c5b62efc921 (git)
Affected: 17249b2a65274f73ed68bcd1604e08a60fd8a278 (git)
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    Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.12.63 , ≤ 6.12.* (semver)
Unaffected: 6.17.13 , ≤ 6.17.* (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc1 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs3: init run lock for extend inode\n\nAfter setting the inode mode of $Extend to a regular file, executing the\ntruncate system call will enter the do_truncate() routine, causing the\nrun_lock uninitialized error reported by syzbot.\n\nPrior to patch 4e8011ffec79, if the inode mode of $Extend was not set to\na regular file, the do_truncate() routine would not be entered.\n\nAdd the run_lock initialization when loading $Extend.\n\nsyzbot reported:\nINFO: trying to register non-static key.\nCall Trace:\n dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120\n assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984\n register_lock_class+0x105/0x320 kernel/locking/lockdep.c:1299\n __lock_acquire+0x99/0xd20 kernel/locking/lockdep.c:5112\n lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868\n down_write+0x96/0x1f0 kernel/locking/rwsem.c:1590\n ntfs_set_size+0x140/0x200 fs/ntfs3/inode.c:860\n ntfs_extend+0x1d9/0x970 fs/ntfs3/file.c:387\n ntfs_setattr+0x2e8/0xbe0 fs/ntfs3/file.c:808"
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      "providerMetadata": {
        "dateUpdated": "2025-12-24T10:32:55.440Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
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          "url": "https://git.kernel.org/stable/c/be99c62ac7e7af514e4b13f83c891a3cccefaa48"
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      ],
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    "cveId": "CVE-2025-68369",
    "datePublished": "2025-12-24T10:32:55.440Z",
    "dateReserved": "2025-12-16T14:48:05.309Z",
    "dateUpdated": "2025-12-24T10:32:55.440Z",
    "state": "PUBLISHED"
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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