Tuxera ntfs-3g prior 2021.8.22 Inode Loader ntfs_inode_real_open heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Tuxera ntfs-3g. This issue affects the function ntfs_inode_real_open of the component Inode Loader. Such manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2021-35268. The attack can be executed directly on the physical device. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tuxera ntfs-3g and classified as problematic. Affected by this issue is the function ntfs_inode_real_open of the component Inode Loader. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was published 09/08/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-35268. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 299967 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2021.8.22 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (299967) and EUVD (EUVD-2021-21911). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 299967
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntfs-3g 2021.8.22

Timelineinfo

06/23/2021 🔍
09/07/2021 +76 days 🔍
09/08/2021 +0 days 🔍
03/01/2026 +1635 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-35268 (🔍)
GCVE (CVE): GCVE-0-2021-35268
GCVE (VulDB): GCVE-100-182120
EUVD: 🔍

Entryinfo

Created: 09/08/2021 00:56
Updated: 03/01/2026 22:23
Changes: 09/08/2021 00:56 (58), 09/10/2021 10:32 (2), 12/02/2025 23:27 (33), 12/03/2025 14:53 (1), 03/01/2026 22:23 (2)
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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