Linux Kernel nilfs2 fs/nilfs2/inode.c nilfs_bmap_lookup_at_level null pointer dereference
|CVSS Meta Temp Score|
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|CTI Interest Score|
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A vulnerability was found in Linux Kernel (Operating System) (affected version not known). It has been classified as problematic. Affected is the function
nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.
The weakness was published 10/20/2022. The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-3621. There are known technical details, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
CVSSv3VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Null pointer dereference
CWE: CWE-476 / CWE-404
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Timeline10/20/2022 Advisory disclosed
10/20/2022 +0 days CVE reserved
10/20/2022 +0 days VulDB entry created
11/18/2022 +29 days VulDB last update
Advisory: DLA 3173-1
CVE: CVE-2022-3621 (🔒)
EntryCreated: 10/20/2022 09:55 PM
Updated: 11/18/2022 07:02 PM
Changes: 10/20/2022 09:55 PM (41), 11/18/2022 07:02 PM (3)
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