Linux Kernel BPF fs/nilfs2/inode.c nilfs_new_inode use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel and classified as problematic. Affected by this vulnerability is the function nilfs_new_inode of the file fs/nilfs2/inode.c of the component BPF. The manipulation results in use after free. This vulnerability is reported as CVE-2022-3649. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (the affected version is unknown). It has been classified as problematic. Affected is the function nilfs_new_inode of the file fs/nilfs2/inode.c of the component BPF. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was disclosed 10/21/2022. The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-3649. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at Tenable (236648) and EUVD (EUVD-2022-43008). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (VulDB): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

10/21/2022 🔍
10/21/2022 +0 days 🔍
10/21/2022 +0 days 🔍
07/18/2026 +1366 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DLA 3173-1
Status: Confirmed

CVE: CVE-2022-3649 (🔍)
GCVE (CVE): GCVE-0-2022-3649
GCVE (VulDB): GCVE-100-211992
EUVD: 🔍

Entryinfo

Created: 10/21/2022 21:33
Updated: 07/18/2026 17:40
Changes: 10/21/2022 21:33 (41), 11/19/2022 12:38 (3), 11/19/2022 12:45 (21), 05/18/2025 22:53 (16), 07/18/2026 17:40 (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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