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CVE-2023-32256

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CVE-2023-32256

Published: Aug 1, 2025

Modified: Nov 20, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

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.

VendorProductVersions

Unknown

linux

affected
0 - < 5.15.145
affected
6.0.0 - < 6.0.*
affected
6.1.0 - < 6.1.29
affected
6.2.0 - < 6.2.16
affected
6.3.0 - < 6.3.2

Red Hat

Red Hat Enterprise Linux 10

All versions

Red Hat

Red Hat Enterprise Linux 6

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 8

All versions

Red Hat

Red Hat Enterprise Linux 8

All versions

Red Hat

Red Hat Enterprise Linux 9

All versions

Red Hat

Red Hat Enterprise Linux 9

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

High

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