fs/ntfs3: terminate the cached volume label after UTF-8 conversion (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.16 % · percentile 5 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
Description
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.
References
- 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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-38891
- GCVE · GCVE-0-2026-53023
CERT-FR advisories
- CERTFR-2026-AVI-1252 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1229 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1162 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1093 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1066 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0985 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0954 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0926 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0866 — Multiples vulnérabilités dans Microsoft Azure Linux · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0862 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.15 < 5.15.209cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 6.1.175cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.2 < 6.6.141cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.7 < 6.12.91cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.13 < 6.18.33cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.19 < 7.0.10
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < 32b0686369e0afbb3549a0d93e2d8517da84cd30 ; affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed ; affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < 0b11fcbe80a59acdf58337d80ebb5f72201d73d6 ; affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < 54d564b762389679e2f8fb9eeb20af7e82371e1c ; affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < 6136bbb054f7ab9f51ae99915541633b18bcef90 ; affected 82cae269cfa953032fbb8980a7d554d60fb00b17 < 5cd0707b81cb4589f00aec5c4c1288bd0980d2a4 |
| Linux · Linux | affected 5.15 ; unaffected 0 < 5.15 ; unaffected 5.15.209 ≤ 5.15.* ; unaffected 6.1.175 ≤ 6.1.* ; unaffected 6.6.141 ≤ 6.6.* ; unaffected 6.12.91 ≤ 6.12.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |