ksmbd: prevent out-of-bounds reads in share config responses (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.16 % · percentile 6 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the path length.
References
- https://git.kernel.org/stable/c/df8aa4a09733c4d3974b1db32c1782b3aad3a151
- https://git.kernel.org/stable/c/0127f1c119bde40578f4d25f5d17333b4e75de8c
- https://git.kernel.org/stable/c/fd636a87161def6e35876ab7943641ce457974c8
- https://git.kernel.org/stable/c/ffa507f5f774cb4d45136b106989ebc051361263
- https://git.kernel.org/stable/c/cd2bcee450bc94770be56c0b896c1a1dc6838bd8
- https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f
- https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H | Linux |
| CVSS 3.1 | HIGH 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-80314
- GCVE · GCVE-0-2026-89792
CERT-FR advisories
- CERTFR-2026-AVI-1375 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1289 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1253 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 88b7f1143b15b29cccb8392b4f38e75b7bb3e300 < df8aa4a09733c4d3974b1db32c1782b3aad3a151 ; affected 51a6c2af9d20203ddeeaf73314ba8854b38d01bd < 0127f1c119bde40578f4d25f5d17333b4e75de8c ; affected a637fabac554270a851033f5ab402ecb90bc479c < fd636a87161def6e35876ab7943641ce457974c8 ; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac < ffa507f5f774cb4d45136b106989ebc051361263 ; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac < cd2bcee450bc94770be56c0b896c1a1dc6838bd8 ; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac < 61a8d06600c8c397f9a7e01940479d4c94a82f5f |
| Linux · Linux | affected 6.9 ; unaffected 0 < 6.9 ; unaffected 5.15.222 ≤ 5.15.* ; unaffected 6.1.189 ≤ 6.1.* ; unaffected 6.6.158 ≤ 6.6.* ; unaffected 6.12.111 ≤ 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 |