smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.46 % · percentile 40 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() smbd_send_batch_flush() already calls smbd_free_send_io(), so we should not call it again after smbd_post_send() moved it to the batch list.
Weaknesses (CWE)
- CWE-415 — Double Free
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-25502
- GCVE · GCVE-0-2026-31609
CERT-FR advisories
- 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-0861 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0831 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0519 — Multiples vulnérabilités dans Microsoft Azure Linux · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 6.18.24cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.19 < 6.19.14cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 7.0 < 7.0.1
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected cca0526ef2344cab6944d7f441fc24e152da031b < a9940dcbe5cb92482c04efc7341039ddf7dbf607 ; affected 37b5c06956183b65e6808b509cf637632016cdf7 < 22b7c1c619d808aec4cad3dc42103345e370d107 ; affected 21538121efe6c8c5b51c742fa02cbe820bc48714 < f9a162c2bbcd0ac85bd07c5b37cf20286048b65c ; affected 21538121efe6c8c5b51c742fa02cbe820bc48714 < 27b7c3e916218b5eb2ee350211140e961bfc49be ; affected 6.18.11 < 6.18.24 ; affected 6.19.1 < 6.19.14 |
| Linux · Linux | affected 7.0 ; unaffected 0 < 7.0 ; unaffected 6.18.24 ≤ 6.18.* ; unaffected 6.19.14 ≤ 6.19.* ; unaffected 7.0.1 ≤ 7.0.* ; unaffected 7.1 ≤ * |
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 |