CVE-2023-32256 HIGH

CVE-2023-32256: Kernel: ksmbd race issue from smb2 close and logoff with multichannel

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-421
Published August 1, 2025
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.

Key dates

02Disclosure timeline

August 1, 2025 CVE published
November 20, 2025 Record updated