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CVE-2026-43378 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/190e5f808e8058640b408ccfed25440b441a718a kernel.org
https://git.kernel.org/stable/c/1e689a56173827669a35da7cb2a3c78ed5c53680 kernel.org
https://git.kernel.org/stable/c/54b48ae83de8bb06e65079d96368efe359d4909c kernel.org
https://git.kernel.org/stable/c/8f5b1a7cb009a93c48e9e334a2f59a660f9afc07 kernel.org
https://git.kernel.org/stable/c/b720c84087cb547f23ce03eab93568c1769e4556 kernel.org
https://git.kernel.org/stable/c/e1b21e6066615e7d3d3a7aa2677e415e563fd7cc kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-43378
NVD Published Date:
05/08/2026
NVD Last Modified:
05/08/2026
Source:
kernel.org