Security Advisory

CVE-2026-43378

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-08 14:21:27

Last updated 2026-05-20 16:08:05

Assigner Linux

CVSS score 9.8

State PUBLISHED

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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