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CVE-2025-68369

ntfs3: init run lock for extend inode

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
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 63eb6730ce0604d3eacf036c2f68ea70b068317c
Version < 79c8a77b1782e2ace96d063be3c41ba540d1e20a
Status affected
Version 78d46f5276ed3589aaaa435580068c5b62efc921
Version < 433d1f7c628c3cbdd7efce064d6c7acd072cf6c4
Status affected
Version 17249b2a65274f73ed68bcd1604e08a60fd8a278
Version < 907bf69c6b6ce5d038eec7a599d67b45b62624bc
Status affected
Version 37f65e68ba9852dc51c78dbb54a9881c3f0fe4f7
Version < 6e17555728bc469d484c59db4a0abc65c19bc315
Status affected
Version 57534db1bbc4ca772393bb7d92e69d5e7b9051cf
Version < 19164d8228317f3f1fe2662a9ba587cfe3b2d29e
Status affected
Version 4e8011ffec79717e5fdac43a7e79faf811a384b7
Version < ab5e8ebeee1caa4fcf8be7d8d62c0a7165469076
Status affected
Version 4e8011ffec79717e5fdac43a7e79faf811a384b7
Version < be99c62ac7e7af514e4b13f83c891a3cccefaa48
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.18
Status affected
Version 0
Version < 6.18
Status unaffected
Version <= 5.15.*
Version 5.15.198
Status unaffected
Version <= 6.1.*
Version 6.1.160
Status unaffected
Version <= 6.6.*
Version 6.6.120
Status unaffected
Version <= 6.12.*
Version 6.12.63
Status unaffected
Version <= 6.17.*
Version 6.17.13
Status unaffected
Version <= 6.18.*
Version 6.18.2
Status unaffected
Version <= *
Version 6.19
Status unaffected
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.07% 0.208
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
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