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

fs/ntfs3: Fix OOB read in indx_insert_into_buffer

Syzbot reported a OOB read bug:

BUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0
fs/ntfs3/index.c:1755
Read of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630

Call Trace:
<TASK>
memmove+0x25/0x60 mm/kasan/shadow.c:54
indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755
indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863
ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548
ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100
lookup_open fs/namei.c:3413 [inline]

If the member struct INDEX_BUFFER *index of struct indx_node is
incorrect, that is, the value of __le32 used is greater than the value
of __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when
memmove is called in indx_insert_into_buffer().
Fix this by adding a check in hdr_find_e().

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00027.

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
82cae269cfa953032fbb8980a7d554d60fb00b17 affected < cd7e1d67924081717c5c96ead758a1a77867689a
82cae269cfa953032fbb8980a7d554d60fb00b17 affected < 17048287ac79abd33b275ac3b5738285d406481b
82cae269cfa953032fbb8980a7d554d60fb00b17 affected < a7e5dba10ba1402dd6c2f961a70320770865c4a5
82cae269cfa953032fbb8980a7d554d60fb00b17 affected < 4bf3b564e27a518f158a83d5e1a50064ed6136a0
82cae269cfa953032fbb8980a7d554d60fb00b17 affected < b8c44949044e5f7f864525fdffe8e95135ce9ce5
Linux Linux affected
Version Status Constraints
5.15 affected —
0 unaffected < 5.15
5.15.111 unaffected ≤ 5.15.*
6.1.28 unaffected ≤ 6.1.*
6.2.15 unaffected ≤ 6.2.*
6.3.2 unaffected ≤ 6.3.*
6.4 unaffected ≤ *

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References
Link Providers
https://git.kernel.org/stable/c/17048287ac79abd33b275ac3b5738285d406481b cve-icon cve-icon
https://git.kernel.org/stable/c/4bf3b564e27a518f158a83d5e1a50064ed6136a0 cve-icon cve-icon
https://git.kernel.org/stable/c/a7e5dba10ba1402dd6c2f961a70320770865c4a5 cve-icon cve-icon
https://git.kernel.org/stable/c/b8c44949044e5f7f864525fdffe8e95135ce9ce5 cve-icon cve-icon
https://git.kernel.org/stable/c/cd7e1d67924081717c5c96ead758a1a77867689a cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025122429-CVE-2023-54063-e78c@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-54063 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-54063 cve-icon
History

Thu, 25 Dec 2025 12:15:00 +0000

Type Values Removed Values Added
References

Wed, 24 Dec 2025 12:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix OOB read in indx_insert_into_buffer Syzbot reported a OOB read bug: BUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 Read of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630 Call Trace: <TASK> memmove+0x25/0x60 mm/kasan/shadow.c:54 indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863 ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548 ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100 lookup_open fs/namei.c:3413 [inline] If the member struct INDEX_BUFFER *index of struct indx_node is incorrect, that is, the value of __le32 used is greater than the value of __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when memmove is called in indx_insert_into_buffer(). Fix this by adding a check in hdr_find_e().
Title fs/ntfs3: Fix OOB read in indx_insert_into_buffer
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-24T12:23:09.346Z

Reserved: 2025-12-24T12:21:05.092Z

Link: CVE-2023-54063

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-24T13:16:08.117

Modified: 2025-12-29T15:58:34.503

Link: CVE-2023-54063

cve-icon Redhat

Severity :

Publid Date: 2025-12-24T00:00:00Z

Links: CVE-2023-54063 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

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