Linux Kernel up to 6.9.4 mgb4 debugfs_remove_recursive denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 6.9.4. This impacts the function debugfs_remove_recursive of the component mgb4. The manipulation results in denial of service. This vulnerability is reported as CVE-2024-39465. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.9.4. Affected is the function debugfs_remove_recursive of the component mgb4. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: media: mgb4: Fix double debugfs remove Fixes an error where debugfs_remove_recursive() is called first on a parent directory and then again on a child which causes a kernel panic. [hverkuil: added Fixes/Cc tags]

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2024-39465. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 276179 (TencentOS Server 4: kernel (TSSA-2025:0046)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.9.5 eliminates this vulnerability. Applying the patch 252204b634ef/825fc4949795 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (276179) and CERT Bund (WID-SEC-2024-1451). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • IBM QRadar SIEM
  • Dell PowerProtect Data Domain
  • Dell PowerProtect Data Domain Management Center
  • Dell PowerProtect Data Domain OS

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276179
Nessus Name: TencentOS Server 4: kernel (TSSA-2025:0046)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.9.5
Patch: 252204b634ef/825fc4949795

Timelineinfo

06/25/2024 🔍
06/25/2024 +0 days 🔍
04/07/2026 +650 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-39465 (🔍)
GCVE (CVE): GCVE-0-2024-39465
GCVE (VulDB): GCVE-100-269652
CERT Bund: WID-SEC-2024-1451 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 06/25/2024 17:19
Updated: 04/07/2026 01:35
Changes: 06/25/2024 17:19 (57), 08/20/2024 05:13 (12), 11/24/2025 07:45 (2), 04/07/2026 01:35 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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