---
cve: "CVE-2026-53023"
severity: "LOW"
cvss: 3.1
epss: "12%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-06-24 17:17:13"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T23:50:36+02:00"
---

# CVE-2026-53023

> 3.1 LOW

## Beschreibung

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

fs/ntfs3: terminate the cached volume label after UTF-8 conversion

ntfs_fill_super() loads the on-disk volume label with utf16s_to_utf8s()
and stores the result in sbi->volume.label. The converted label is later
exposed through ntfs3_label_show() using %s, but utf16s_to_utf8s() only
returns the number of bytes written and does not add a trailing NUL.

If the converted label fills the entire fixed buffer,
ntfs3_label_show() can read past the end of sbi->volume.label while
looking for a terminator.

Terminate the cached label explicitly after a successful conversion and
clamp the exact-full case to the last byte of the buffer.

## Patch verfügbar (OSV)

- Kernel ≥ 5.15.209
- Kernel ≥ 6.1.175
- Kernel ≥ 6.6.141
- Kernel ≥ 6.12.91
- Kernel ≥ 6.18.33
- Kernel ≥ 7.0.10

## Referenzen

- <https://git.kernel.org/stable/c/32b0686369e0afbb3549a0d93e2d8517da84cd30>
- <https://git.kernel.org/stable/c/bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed>
- <https://git.kernel.org/stable/c/0b11fcbe80a59acdf58337d80ebb5f72201d73d6>
- <https://git.kernel.org/stable/c/54d564b762389679e2f8fb9eeb20af7e82371e1c>
- <https://git.kernel.org/stable/c/6136bbb054f7ab9f51ae99915541633b18bcef90>
- <https://git.kernel.org/stable/c/5cd0707b81cb4589f00aec5c4c1288bd0980d2a4>
- <https://git.kernel.org/stable/c/a6cd43fe9b083fa23fe1595666d5738856cb261a>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-53023) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_