CVE-2026-43378

CRITICAL · CVSS 9.8 EPSS 0.03%

Source: NVD + CISA KEV + EPSS · Published: 2026-05-08 · Last synced: 2026-06-07

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CVE

CVE-2026-43378

Severity

CRITICAL

CVSS

9.8

EPSS

0.03%

Linux

Original NVD 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.