Linux Kernel up to 6.12.62/6.17.12/6.18.1 ntfs3 __getname allocation of resources

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

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.12.62/6.17.12/6.18.1. This impacts the function __getname of the component ntfs3. Executing a manipulation can lead to allocation of resources. This vulnerability appears as CVE-2025-68727. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.12.62/6.17.12/6.18.1. This vulnerability affects the function __getname of the component ntfs3. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Fix uninit buffer allocated by __getname() Fix uninit errors caused after buffer allocation given to 'de'; by initializing the buffer with zeroes. The fix was found by using KMSAN.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2025-68727 since 12/24/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 279794 (Linux Distros Unpatched Vulnerability : CVE-2025-68727), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.63, 6.17.13, 6.18.2 or 6.19-rc1 eliminates this vulnerability. Applying the patch 4b1fd82848fdf0e01b3320815b261006c1722c3e/d88d4b455b6794f48d7adad52593f1700c7bd50e/b40a4eb4a0543d49686a6e693745009dac3b86a9/9948dcb2f7b5a1bf8e8710eafaf6016e00be3ad6 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 (279794), EUVD (EUVD-2025-205070) and CERT Bund (WID-SEC-2025-2920). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Linux Kernel

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

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

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 279794
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-68727

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.12.63/6.17.13/6.18.2/6.19-rc1
Patch: 4b1fd82848fdf0e01b3320815b261006c1722c3e/d88d4b455b6794f48d7adad52593f1700c7bd50e/b40a4eb4a0543d49686a6e693745009dac3b86a9/9948dcb2f7b5a1bf8e8710eafaf6016e00be3ad6

Timelineinfo

12/24/2025 Advisory disclosed
12/24/2025 +0 days CVE reserved
12/24/2025 +0 days VulDB entry created
01/12/2026 +19 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-68727 (🔒)
GCVE (CVE): GCVE-0-2025-68727
GCVE (VulDB): GCVE-100-338248
EUVD: 🔒
CERT Bund: WID-SEC-2025-2920 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 12/24/2025 16:35
Updated: 01/12/2026 04:25
Changes: 12/24/2025 16:35 (59), 12/25/2025 21:10 (7), 12/28/2025 12:26 (2), 01/12/2026 04:25 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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