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CVE-2023-32258

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CVE-2023-32258

Published: Jul 24, 2023

Modified: Mar 5, 2025

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_LOGOFF and SMB2_CLOSE commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

VendorProductVersions

n/a

kernel

unaffected
6.4-rc1

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

Fedora

Fedora

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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