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

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been declared 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 leads to use after free.
This vulnerability is known as CVE-2022-3649. The attack can be launched remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Details
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 vulnerability database at Tenable (236648). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB 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): 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
10/21/2022 🔍10/21/2022 🔍
10/21/2022 🔍
05/18/2025 🔍
Sources
Vendor: kernel.orgAdvisory: DLA 3173-1
Status: Confirmed
CVE: CVE-2022-3649 (🔍)
GCVE (CVE): GCVE-0-2022-3649
GCVE (VulDB): GCVE-100-211992
Entry
Created: 10/21/2022 09:33 PMUpdated: 05/18/2025 10:53 PM
Changes: 10/21/2022 09:33 PM (41), 11/19/2022 12:38 PM (3), 11/19/2022 12:45 PM (21), 05/18/2025 10:53 PM (16)
Complete: 🔍
Cache ID: 18:4A7:40
No comments yet. Languages: en.
Please log in to comment.