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

fs/ntfs3: Enhance the attribute size check

This combines the overflow and boundary check so that all attribute size
will be properly examined while enumerating them.

[ 169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570
[ 169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247
[ 169.184046]
[ 169.184925] CPU: 0 PID: 247 Comm: mount Not tainted 6.0.0-rc7+ #3
[ 169.185908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[ 169.187066] Call Trace:
[ 169.187492] <TASK>
[ 169.188049] dump_stack_lvl+0x49/0x63
[ 169.188495] print_report.cold+0xf5/0x689
[ 169.188964] ? run_unpack+0x2e3/0x570
[ 169.189331] kasan_report+0xa7/0x130
[ 169.189714] ? run_unpack+0x2e3/0x570
[ 169.190079] __asan_load1+0x51/0x60
[ 169.190634] run_unpack+0x2e3/0x570
[ 169.191290] ? run_pack+0x840/0x840
[ 169.191569] ? run_lookup_entry+0xb3/0x1f0
[ 169.192443] ? mi_enum_attr+0x20a/0x230
[ 169.192886] run_unpack_ex+0xad/0x3e0
[ 169.193276] ? run_unpack+0x570/0x570
[ 169.193557] ? ni_load_mi+0x80/0x80
[ 169.193889] ? debug_smp_processor_id+0x17/0x20
[ 169.194236] ? mi_init+0x4a/0x70
[ 169.194496] attr_load_runs_vcn+0x166/0x1c0
[ 169.194851] ? attr_data_write_resident+0x250/0x250
[ 169.195188] mi_read+0x133/0x2c0
[ 169.195481] ntfs_iget5+0x277/0x1780
[ 169.196017] ? call_rcu+0x1c7/0x330
[ 169.196392] ? ntfs_get_block_bmap+0x70/0x70
[ 169.196708] ? evict+0x223/0x280
[ 169.197014] ? __kmalloc+0x33/0x540
[ 169.197305] ? wnd_init+0x15b/0x1b0
[ 169.197599] ntfs_fill_super+0x1026/0x1ba0
[ 169.197994] ? put_ntfs+0x1d0/0x1d0
[ 169.198299] ? vsprintf+0x20/0x20
[ 169.198583] ? mutex_unlock+0x81/0xd0
[ 169.198930] ? set_blocksize+0x95/0x150
[ 169.199269] get_tree_bdev+0x232/0x370
[ 169.199750] ? put_ntfs+0x1d0/0x1d0
[ 169.200094] ntfs_fs_get_tree+0x15/0x20
[ 169.200431] vfs_get_tree+0x4c/0x130
[ 169.200714] path_mount+0x654/0xfe0
[ 169.201067] ? putname+0x80/0xa0
[ 169.201358] ? finish_automount+0x2e0/0x2e0
[ 169.201965] ? putname+0x80/0xa0
[ 169.202445] ? kmem_cache_free+0x1c4/0x440
[ 169.203075] ? putname+0x80/0xa0
[ 169.203414] do_mount+0xd6/0xf0
[ 169.203719] ? path_mount+0xfe0/0xfe0
[ 169.203977] ? __kasan_check_write+0x14/0x20
[ 169.204382] __x64_sys_mount+0xca/0x110
[ 169.204711] do_syscall_64+0x3b/0x90
[ 169.205059] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 169.205571] RIP: 0033:0x7f67a80e948a
[ 169.206327] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008
[ 169.208296] RSP: 002b:00007ffddf020f58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
[ 169.209253] RAX: ffffffffffffffda RBX: 000055e2547a6060 RCX: 00007f67a80e948a
[ 169.209777] RDX: 000055e2547a6260 RSI: 000055e2547a62e0 RDI: 000055e2547aeaf0
[ 169.210342] RBP: 0000000000000000 R08: 000055e2547a6280 R09: 0000000000000020
[ 169.210843] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 000055e2547aeaf0
[ 169.211307] R13: 000055e2547a6260 R14: 0000000000000000 R15: 00000000ffffffff
[ 169.211913] </TASK>
[ 169.212304]
[ 169.212680] Allocated by task 0:
[ 169.212963] (stack is not available)
[ 169.213200]
[ 169.213472] The buggy address belongs to the object at ffff8880094b5e00
[ 169.213472] which belongs to the cache UDP of size 1152
[ 169.214095] The buggy address is located 1088 bytes inside of
[ 169.214095] 1152-byte region [ffff8880094b5e00, ffff8880094b6280)
[ 169.214639]
[ 169.215004] The buggy address belongs to the physical page:
[ 169.215766] page:000000002e324c8c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94b4
[ 169.218412] head:000000002e324c8c order:2 compound_mapcount:0 compound_pincount:0
[ 169.219078] flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)
[ 169.220272] raw: 000fffffc0010200
---truncated---

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00023.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e affected < 1fd5b80c9339503f3eaa4db3051b37ac506beeab
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e affected < 277439e7cabd9d4c6334b39a4b99d49b4c97265b
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e affected < f28d9e02c2c242e8f9af9e13ba263fcc0211be49
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e affected < 4f082a7531223a438c757bb20e304f4c941c67a8
Linux Linux affected
Version Status Constraints
5.15 affected —
0 unaffected < 5.15
5.15.113 unaffected ≤ 5.15.*
6.1.80 unaffected ≤ 6.1.*
6.3.4 unaffected ≤ 6.3.*
6.4 unaffected ≤ *

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/1fd5b80c9339503f3eaa4db3051b37ac506beeab cve-icon cve-icon
https://git.kernel.org/stable/c/277439e7cabd9d4c6334b39a4b99d49b4c97265b cve-icon cve-icon
https://git.kernel.org/stable/c/4f082a7531223a438c757bb20e304f4c941c67a8 cve-icon cve-icon
https://git.kernel.org/stable/c/f28d9e02c2c242e8f9af9e13ba263fcc0211be49 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025100114-CVE-2023-53486-455f@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53486 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53486 cve-icon
History

Tue, 20 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

Thu, 02 Oct 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Thu, 02 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Wed, 01 Oct 2025 12:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Enhance the attribute size check This combines the overflow and boundary check so that all attribute size will be properly examined while enumerating them. [ 169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570 [ 169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247 [ 169.184046] [ 169.184925] CPU: 0 PID: 247 Comm: mount Not tainted 6.0.0-rc7+ #3 [ 169.185908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 169.187066] Call Trace: [ 169.187492] <TASK> [ 169.188049] dump_stack_lvl+0x49/0x63 [ 169.188495] print_report.cold+0xf5/0x689 [ 169.188964] ? run_unpack+0x2e3/0x570 [ 169.189331] kasan_report+0xa7/0x130 [ 169.189714] ? run_unpack+0x2e3/0x570 [ 169.190079] __asan_load1+0x51/0x60 [ 169.190634] run_unpack+0x2e3/0x570 [ 169.191290] ? run_pack+0x840/0x840 [ 169.191569] ? run_lookup_entry+0xb3/0x1f0 [ 169.192443] ? mi_enum_attr+0x20a/0x230 [ 169.192886] run_unpack_ex+0xad/0x3e0 [ 169.193276] ? run_unpack+0x570/0x570 [ 169.193557] ? ni_load_mi+0x80/0x80 [ 169.193889] ? debug_smp_processor_id+0x17/0x20 [ 169.194236] ? mi_init+0x4a/0x70 [ 169.194496] attr_load_runs_vcn+0x166/0x1c0 [ 169.194851] ? attr_data_write_resident+0x250/0x250 [ 169.195188] mi_read+0x133/0x2c0 [ 169.195481] ntfs_iget5+0x277/0x1780 [ 169.196017] ? call_rcu+0x1c7/0x330 [ 169.196392] ? ntfs_get_block_bmap+0x70/0x70 [ 169.196708] ? evict+0x223/0x280 [ 169.197014] ? __kmalloc+0x33/0x540 [ 169.197305] ? wnd_init+0x15b/0x1b0 [ 169.197599] ntfs_fill_super+0x1026/0x1ba0 [ 169.197994] ? put_ntfs+0x1d0/0x1d0 [ 169.198299] ? vsprintf+0x20/0x20 [ 169.198583] ? mutex_unlock+0x81/0xd0 [ 169.198930] ? set_blocksize+0x95/0x150 [ 169.199269] get_tree_bdev+0x232/0x370 [ 169.199750] ? put_ntfs+0x1d0/0x1d0 [ 169.200094] ntfs_fs_get_tree+0x15/0x20 [ 169.200431] vfs_get_tree+0x4c/0x130 [ 169.200714] path_mount+0x654/0xfe0 [ 169.201067] ? putname+0x80/0xa0 [ 169.201358] ? finish_automount+0x2e0/0x2e0 [ 169.201965] ? putname+0x80/0xa0 [ 169.202445] ? kmem_cache_free+0x1c4/0x440 [ 169.203075] ? putname+0x80/0xa0 [ 169.203414] do_mount+0xd6/0xf0 [ 169.203719] ? path_mount+0xfe0/0xfe0 [ 169.203977] ? __kasan_check_write+0x14/0x20 [ 169.204382] __x64_sys_mount+0xca/0x110 [ 169.204711] do_syscall_64+0x3b/0x90 [ 169.205059] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 169.205571] RIP: 0033:0x7f67a80e948a [ 169.206327] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008 [ 169.208296] RSP: 002b:00007ffddf020f58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 169.209253] RAX: ffffffffffffffda RBX: 000055e2547a6060 RCX: 00007f67a80e948a [ 169.209777] RDX: 000055e2547a6260 RSI: 000055e2547a62e0 RDI: 000055e2547aeaf0 [ 169.210342] RBP: 0000000000000000 R08: 000055e2547a6280 R09: 0000000000000020 [ 169.210843] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 000055e2547aeaf0 [ 169.211307] R13: 000055e2547a6260 R14: 0000000000000000 R15: 00000000ffffffff [ 169.211913] </TASK> [ 169.212304] [ 169.212680] Allocated by task 0: [ 169.212963] (stack is not available) [ 169.213200] [ 169.213472] The buggy address belongs to the object at ffff8880094b5e00 [ 169.213472] which belongs to the cache UDP of size 1152 [ 169.214095] The buggy address is located 1088 bytes inside of [ 169.214095] 1152-byte region [ffff8880094b5e00, ffff8880094b6280) [ 169.214639] [ 169.215004] The buggy address belongs to the physical page: [ 169.215766] page:000000002e324c8c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94b4 [ 169.218412] head:000000002e324c8c order:2 compound_mapcount:0 compound_pincount:0 [ 169.219078] flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff) [ 169.220272] raw: 000fffffc0010200 ---truncated---
Title fs/ntfs3: Enhance the attribute size check
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-10-02T07:04:29.089Z

Reserved: 2025-10-01T11:39:39.402Z

Link: CVE-2023-53486

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-10-01T12:15:51.480

Modified: 2026-01-20T16:35:10.287

Link: CVE-2023-53486

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-10-01T00:00:00Z

Links: CVE-2023-53486 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-02T08:40:01Z

Weaknesses