CVE-2026-45972

CriticalCVSS 9.8/10Last modified Oct 19, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

smb: client: fix potential UAF and double free in smb2_open_file()

Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416CWE-825

Affected software

No affected versions have been published.

Timeline

Published
May 27, 2026
Last modified
Oct 19, 2026
NVD status
Modified

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CVE-2026-45972: Critical severity, CVSS 9.8 | Vulnix