High 7.8Published Dec 24, 2025

CVE-2023-53988fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de()

Updated under an hour ago (Oct 28, 2026, 2:50 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806 Read of size 16842960 at addr ffff888079cc0600 by task syz-executor934/3631 Call Trace: memmove+0x25/0x60 mm/kasan/shadow.c:54 hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806 indx_delete_entry+0x74f/0x3670 fs/ntfs3/index.c:2193 ni_remove_name+0x27a/0x980 fs/ntfs3/frecord.c:2910 ntfs_unlink_inode+0x3d4/0x720 fs/ntfs3/inode.c:1712 ntfs_rename+0x41a/0xcb0 fs/ntfs3/namei.c:276 Before using the meta-data in struct INDEX_HDR, we need to check index header valid or not. Otherwise, the corruptedi (or malicious) fs image can cause out-of-bounds access which could make kernel panic.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 82cae269cfa953032fbb8980a7d554d60fb00b17 before c58ea97aa94f033ee64a8cb6587d84a9849b6216; from 82cae269cfa953032fbb8980a7d554d60fb00b17 before 9163a5b4ed290da4a7d23fa92533e0e81fd0166e; from 82cae269cfa953032fbb8980a7d554d60fb00b17 before 114204d25e1dffdd3a0c1cfbba219afd344f4b4f; 82cae269cfa953032fbb8980a7d554d60fb00b17 builds before 4a034ece7e2877673d9085d6e7ed45e6ee40b761; from 82cae269cfa953032fbb8980a7d554d60fb00b17 before ab84eee4c7ab929996602eda7832854c35a6dda2	CNA record

References

References

https://git.kernel.org/stable/c/c58ea97aa94f033ee64a8cb6587d84a9849b6216
https://git.kernel.org/stable/c/9163a5b4ed290da4a7d23fa92533e0e81fd0166e
https://git.kernel.org/stable/c/114204d25e1dffdd3a0c1cfbba219afd344f4b4f
https://git.kernel.org/stable/c/4a034ece7e2877673d9085d6e7ed45e6ee40b761
https://git.kernel.org/stable/c/ab84eee4c7ab929996602eda7832854c35a6dda2

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.