CVE-2026-43378

7.8 Élevée

Publiée le 08/05/2026 à 17:16 · Modifiée le 17/06/2026 à 12:49 · Modifiée · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.

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Produits concernés

Linux
Linux linux kernel

Scores CVSS

Version	Score	Source	Vecteur
3.1	9.8 Critique	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
3.1	7.8 Élevée	nvd@nist.gov (NVD)	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-416

Références

https://git.kernel.org/stable/c/190e5f808e8058640b408ccfed25440b441a718a Patch
https://git.kernel.org/stable/c/1e689a56173827669a35da7cb2a3c78ed5c53680 Patch
https://git.kernel.org/stable/c/54b48ae83de8bb06e65079d96368efe359d4909c Patch
https://git.kernel.org/stable/c/8f5b1a7cb009a93c48e9e334a2f59a660f9afc07 Patch
https://git.kernel.org/stable/c/b720c84087cb547f23ce03eab93568c1769e4556 Patch
https://git.kernel.org/stable/c/e1b21e6066615e7d3d3a7aa2677e415e563fd7cc Patch

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories