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CVE-2023-53194— fs/ntfs3: Add length check in indx_get_root

Quick assessment

Affected

Linux Linux

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于fs/ntfs3组件中indx_get_root函数缺少长度检查，可能导致释放后重用。

CVSS 8.4 · High EPSS 0.17% · P6 Updated Aug 05, 2026

Possible ATT&CK Techniques 2 AI

T1068 · Exploitation for Privilege Escalation T1203 · Exploitation for Client Execution

Affected Version Matrix 10

Vendor	Product	Version Range	Status
Linux	Linux	`4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< 85afd3007465f8bc74afffbf5b84ec29f5310b03`	affected
		`4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< 0d04e45c65f0785e558b93d2631d58680f263e10`	affected
		`4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< eb5b59931d20f3b02076fae49e85282310b12012`	affected
		`4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< 08e8cf5f2d9ec383a2e339a2711b62a54ff3fba0`	affected
		`5.15`	affected
		`< 5.15`	unaffected
		`5.15.113≤ 5.15.*`	unaffected
		`6.1.81≤ 6.1.*`	unaffected
… +2 more rows

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I. Basic Information for CVE-2023-53194

Vulnerability Information

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Vulnerability Title

fs/ntfs3: Add length check in indx_get_root

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add length check in indx_get_root This adds a length check to guarantee the retrieved index root is legit. [ 162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320 [ 162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243 [ 162.460851] [ 162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42 [ 162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 162.462609] Call Trace: [ 162.462954] <TASK> [ 162.463276] dump_stack_lvl+0x49/0x63 [ 162.463822] print_report.cold+0xf5/0x689 [ 162.464608] ? unwind_get_return_address+0x3a/0x60 [ 162.465766] ? hdr_find_e.isra.0+0x10c/0x320 [ 162.466975] kasan_report+0xa7/0x130 [ 162.467506] ? _raw_spin_lock_irq+0xc0/0xf0 [ 162.467998] ? hdr_find_e.isra.0+0x10c/0x320 [ 162.468536] __asan_load2+0x68/0x90 [ 162.468923] hdr_find_e.isra.0+0x10c/0x320 [ 162.469282] ? cmp_uints+0xe0/0xe0 [ 162.469557] ? cmp_sdh+0x90/0x90 [ 162.469864] ? ni_find_attr+0x214/0x300 [ 162.470217] ? ni_load_mi+0x80/0x80 [ 162.470479] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 162.470931] ? ntfs_bread_run+0x190/0x190 [ 162.471307] ? indx_get_root+0xe4/0x190 [ 162.471556] ? indx_get_root+0x140/0x190 [ 162.471833] ? indx_init+0x1e0/0x1e0 [ 162.472069] ? fnd_clear+0x115/0x140 [ 162.472363] ? _raw_spin_lock_irqsave+0x100/0x100 [ 162.472731] indx_find+0x184/0x470 [ 162.473461] ? sysvec_apic_timer_interrupt+0x57/0xc0 [ 162.474429] ? indx_find_buffer+0x2d0/0x2d0 [ 162.474704] ? do_syscall_64+0x3b/0x90 [ 162.474962] dir_search_u+0x196/0x2f0 [ 162.475381] ? ntfs_nls_to_utf16+0x450/0x450 [ 162.475661] ? ntfs_security_init+0x3d6/0x440 [ 162.475906] ? is_sd_valid+0x180/0x180 [ 162.476191] ntfs_extend_init+0x13f/0x2c0 [ 162.476496] ? ntfs_fix_post_read+0x130/0x130 [ 162.476861] ? iput.part.0+0x286/0x320 [ 162.477325] ntfs_fill_super+0x11e0/0x1b50 [ 162.477709] ? put_ntfs+0x1d0/0x1d0 [ 162.477970] ? vsprintf+0x20/0x20 [ 162.478258] ? set_blocksize+0x95/0x150 [ 162.478538] get_tree_bdev+0x232/0x370 [ 162.478789] ? put_ntfs+0x1d0/0x1d0 [ 162.479038] ntfs_fs_get_tree+0x15/0x20 [ 162.479374] vfs_get_tree+0x4c/0x130 [ 162.479729] path_mount+0x654/0xfe0 [ 162.480124] ? putname+0x80/0xa0 [ 162.480484] ? finish_automount+0x2e0/0x2e0 [ 162.480894] ? putname+0x80/0xa0 [ 162.481467] ? kmem_cache_free+0x1c4/0x440 [ 162.482280] ? putname+0x80/0xa0 [ 162.482714] do_mount+0xd6/0xf0 [ 162.483264] ? path_mount+0xfe0/0xfe0 [ 162.484782] ? __kasan_check_write+0x14/0x20 [ 162.485593] __x64_sys_mount+0xca/0x110 [ 162.486024] do_syscall_64+0x3b/0x90 [ 162.486543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 162.487141] RIP: 0033:0x7f9d374e948a [ 162.488324] 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 [ 162.489728] RSP: 002b:00007ffe30e73d18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 162.490971] RAX: ffffffffffffffda RBX: 0000561cdb43a060 RCX: 00007f9d374e948a [ 162.491669] RDX: 0000561cdb43a260 RSI: 0000561cdb43a2e0 RDI: 0000561cdb442af0 [ 162.492050] RBP: 0000000000000000 R08: 0000561cdb43a280 R09: 0000000000000020 [ 162.492459] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 0000561cdb442af0 [ 162.493183] R13: 0000561cdb43a260 R14: 0000000000000000 R15: 00000000ffffffff [ 162.493644] </TASK> [ 162.493908] [ 162.494214] The buggy address belongs to the physical page: [ 162.494761] page:000000003e38a3d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37bc [ 162.496064] flags: 0xfffffc0000000(node=0|zone=1|lastcpupid=0x1fffff) [ 162.497278] raw: 000fffffc0000000 ffffea00000df1c8 ffffea00000df008 0000000000000000 [ 162.498928] raw: 0000000000000000 0000000000240000 00000000ffffffff 0000000000000000 [ 162.500542] page dumped becau ---truncated---

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

Linux kernel 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Linux	Linux	4534a70b7056fd4b9a1c6db5a4ce3c98546b291e ~ 85afd3007465f8bc74afffbf5b84ec29f5310b03	-
Linux	Linux	5.15	-

II. Public POCs for CVE-2023-53194

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2023-53194

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https://www.cve.org/CVERecord?id=CVE-2023-53194

Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total

CVE-2022-50235	9.8 CRITICAL	NFSD: Protect against send buffer overflow in NFSv2 READDIR
CVE-2022-50335	9.8 CRITICAL	9p: set req refcount to zero to avoid uninitialized usage
CVE-2023-53192	9.8 CRITICAL	vxlan: Fix nexthop hash size
CVE-2023-53253	8.8 HIGH	HID: nvidia-shield: Reference hid_device devm allocation of input_dev name
CVE-2023-53226	8.8 HIGH	wifi: mwifiex: Fix OOB and integer underflow when rx packets
CVE-2022-50241	8.8 HIGH	NFSD: fix use-after-free on source server when doing inter-server copy
CVE-2023-53213	8.1 HIGH	wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
CVE-2023-53186	8.1 HIGH	skbuff: Fix a race between coalescing and releasing SKBs
CVE-2022-50303	7.8 HIGH	drm/amdkfd: Fix double release compute pasid
CVE-2023-53254	7.8 HIGH	cacheinfo: Fix shared_cpu_map to handle shared caches at different levels
CVE-2023-53252	7.8 HIGH	Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync
CVE-2023-53170	7.8 HIGH	net: dsa: Removed unneeded of_node_put in felix_parse_ports_node
CVE-2023-53176	7.8 HIGH	serial: 8250: Reinit port->pm on port specific driver unbind
CVE-2023-53178	7.8 HIGH	mm: fix zswap writeback race condition
CVE-2023-53179	7.8 HIGH	netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
CVE-2023-53184	7.8 HIGH	arm64/sme: Set new vector length before reallocating
CVE-2022-50315	7.8 HIGH	ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
CVE-2023-53187	7.8 HIGH	btrfs: fix use-after-free of new block group that became unused
CVE-2025-39800	7.8 HIGH	btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()
CVE-2022-50286	7.8 HIGH	ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline

Showing top 20 of 210 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux

V. Comments for CVE-2023-53194

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2023-53194— fs/ntfs3: Add length check in indx_get_root

Quick assessment

Possible ATT&CK Techniques 2 AI

Affected Version Matrix 10

I. Basic Information for CVE-2023-53194

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2023-53194

III. Intelligence Information for CVE-2023-53194

Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2023-53194

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