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CVE-2026-43378

smb

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.

CVSS 7.8EPSS 0.308%Risk 0.8
View source
Published
2026-05-08 15:16:48
Affected versions
unknown
Type
Core software
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Operating systems
Linux