---
id: CVE-2023-32253
title: A flaw was found in the Linux kernel's ksmbd component
summary: >-
  A flaw was found in the Linux kernel's ksmbd component. A deadlock is
  triggered by sending multiple concurrent session setup requests, possibly
  leading to a denial of service.
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-413
published: '2025-08-02'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-32253'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2023-32253'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2385886'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.003
epssPercentile: 0.20206
ingestedAt: '2026-06-29T13:24:34.404Z'
---

## Overview

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.