---
id: CVE-2024-39468
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  smb: client: fix deadlock in smb2_find_smb_tcon()

  Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
  deadlock.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  smb: client: fix deadlock in smb2_find_smb_tcon()

  Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
  deadlock.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-667
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 5.10.221
  - 'linux_kernel >= 5.11, < 5.15.162'
  - 'linux_kernel >= 5.16, < 6.1.94'
  - 'linux_kernel >= 6.2, < 6.6.34'
  - 'linux_kernel >= 6.7, < 6.9.5'
  - linux_kernel = 6.10
patched:
  - linux_kernel 6.9.5
published: '2024-06-25'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T01:18:33.377'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-39468'
references:
  - url: 'https://git.kernel.org/stable/c/02c418774f76a0a36a6195c9dbf8971eb4130a15'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/21f5dd36e655d25a7b45b61c1e537198b671f720'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/225de871ddf994f69a57f035709cad9c0ab8615a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8d0f5f1ccf675454a833a573c53830a49b7d1a47'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b055752675cd1d1db4ac9c2750db3dc3e89ea261'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b09b556e48968317887a11243a5331a7bc00ece5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/02c418774f76a0a36a6195c9dbf8971eb4130a15'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/21f5dd36e655d25a7b45b61c1e537198b671f720'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/225de871ddf994f69a57f035709cad9c0ab8615a'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/8d0f5f1ccf675454a833a573c53830a49b7d1a47'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/b055752675cd1d1db4ac9c2750db3dc3e89ea261'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/b09b556e48968317887a11243a5331a7bc00ece5'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-265688.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-355557.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-613116.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-39468.json
  - url: 'https://access.redhat.com/security/cve/CVE-2024-39468'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2294307'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2024-39468'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2024-39468'
  - url: >-
      https://lore.kernel.org/linux-cve-announce/2024062500-CVE-2024-39468-11d2@gregkh/T
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00528
epssPercentile: 0.44477
ingestedAt: '2026-10-15T03:30:12.715Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-09-10T17:07:58.449670Z'
scores:
  nvd: 7.5
  vendor: 5.5
---

## Overview

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

smb: client: fix deadlock in smb2_find_smb_tcon()

Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
deadlock.

## Affected

- `linux_kernel < 5.10.221`
- `linux_kernel >= 5.11, < 5.15.162`
- `linux_kernel >= 5.16, < 6.1.94`
- `linux_kernel >= 6.2, < 6.6.34`
- `linux_kernel >= 6.7, < 6.9.5`
- `linux_kernel = 6.10`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.9.5`

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-39468.json)