CVE-2023-54196

published 2025-12-30

CVE-2023-54196: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode' Syzbot found the following…

Priority P4 20

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode'

Syzbot found the following issue:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000016
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006
CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010af56000
[0000000000000016] pgd=08000001090da003, p4d=08000001090da003, pud=08000001090ce003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3036 Comm: syz-executor206 Not tainted 6.0.0-rc6-syzkaller-17739-g16c9f284e746 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : is_rec_inuse fs/ntfs3/ntfs.h:313 [inline]
pc : ni_write_inode+0xac/0x798 fs/ntfs3/frecord.c:3232
lr : ni_write_inode+0xa0/0x798 fs/ntfs3/frecord.c:3226
sp : ffff8000126c3800
x29: ffff8000126c3860 x28: 0000000000000000 x27: ffff0000c8b02000
x26: ffff0000c7502320 x25: ffff0000c7502288 x24: 0000000000000000
x23: ffff80000cbec91c x22: ffff0000c8b03000 x21: ffff0000c8b02000
x20: 0000000000000001 x19: ffff0000c75024d8 x18: 00000000000000c0
x17: ffff80000dd1b198 x16: ffff80000db59158 x15: ffff0000c4b6b500
x14: 00000000000000b8 x13: 0000000000000000 x12: ffff0000c4b6b500
x11: ff80800008be1b60 x10: 0000000000000000 x9 : ffff0000c4b6b500
x8 : 0000000000000000 x7 : ffff800008be1b50 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
is_rec_inuse fs/ntfs3/ntfs.h:313 [inline]
ni_write_inode+0xac/0x798 fs/ntfs3/frecord.c:3232
ntfs_evict_inode+0x54/0x84 fs/ntfs3/inode.c:1744
evict+0xec/0x334 fs/inode.c:665
iput_final fs/inode.c:174

Affected

12 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 6.1.82-1 (bookworm)	linux 6.1.82-1 (bookworm)
linux	linux	—	—
linux	linux	>= 82cae269cfa953032fbb8980a7d554d60fb00b17 < 6d3d3283e6b4fb3f3ee05dac30ee1461930b8103	6d3d3283e6b4fb3f3ee05dac30ee1461930b8103
linux	linux	>= 82cae269cfa953032fbb8980a7d554d60fb00b17 < 329fc4d3f73d865b25f2ee4eafafb040ace37ad5	329fc4d3f73d865b25f2ee4eafafb040ace37ad5
linux	linux	>= 82cae269cfa953032fbb8980a7d554d60fb00b17 < 1c5cffe0d662fb2de7b63176c2582abb69b5f538	1c5cffe0d662fb2de7b63176c2582abb69b5f538
linux	linux	>= 82cae269cfa953032fbb8980a7d554d60fb00b17 < db2a3cc6a3481076da6344cc62a80a4e2525f36f	db2a3cc6a3481076da6344cc62a80a4e2525f36f
linux	linux_kernel	>= 0 < 6.1.82-1	6.1.82-1
linux	linux_kernel	>= 0 < 6.3.7-1	6.3.7-1
linux	linux_kernel	>= 0 < 6.3.7-1	6.3.7-1
linux	linux_kernel	>= 5.15.0 < 5.15.113	5.15.113
linux	linux_kernel	>= 5.16.0 < 6.1.81	6.1.81
linux	linux_kernel	>= 6.2.0 < 6.3.4	6.3.4

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