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 | 0.48 |
A vulnerability was found in Linux Kernel (Operating System) (version 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/19/2022).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
Product
Type
Vendor
Name
License
- open-source
CPE 2.3
CPE 2.2
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
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: git.kernel.org
Timeline
10/21/2022 Advisory disclosed10/21/2022 CVE reserved
10/21/2022 VulDB entry created
11/19/2022 VulDB last update
Sources
Vendor: kernel.orgAdvisory: DLA 3173-1
Status: Confirmed
CVE: CVE-2022-3649 (🔒)
Entry
Created: 10/21/2022 09:33 PMUpdated: 11/19/2022 12:45 PM
Changes: 10/21/2022 09:33 PM (41), 11/19/2022 12:38 PM (3), 11/19/2022 12:45 PM (21)
Complete: 🔍
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