Wiz
Vulnerability DatabaseCVE-2025-37925

CVE-2025-37925: 
Linux Kernel vulnerability analysis and mitigation

Overview

CVE-2025-37925 is a vulnerability discovered in the Linux kernel related to the JFS (Journaling File System) handling of unsupported inode types. The vulnerability was disclosed on April 18, 2025, affecting the Linux kernel's file system handling mechanisms (NVD).

Technical details

The vulnerability occurs when 'clear_inode()' attempts to finalize an underlying JFS inode of unknown type. According to the JFS layout specification, inode types from 5 to 15 are reserved for future extensions and should not be encountered on a valid filesystem. The issue manifests as a kernel BUG at fs/inode.c:668 with an invalid opcode error. Red Hat has assigned this vulnerability a CVSS v3.1 base score of 5.5 (Moderate) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (Red Hat).

Impact

The vulnerability can lead to a kernel panic when processing certain JFS filesystem operations, potentially causing system instability and denial of service conditions. The impact is primarily focused on system availability, with no direct impact on confidentiality or integrity (Red Hat).

Mitigation and workarounds

The vulnerability has been addressed by adding an extra check for valid inode type in 'copyfromdinode()'. The fix has been implemented in the Linux kernel, and affected distributions are releasing updated packages (Debian).

Additional resources

Source: This report was generated using AI

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues

Cloud threat landscape

Cloud threat landscape

A comprehensive threat intelligence database of cloud security incidents, actors, tools and techniques

PEACH

PEACH

A step-by-step framework for modeling and improving SaaS and PaaS tenant isolation

Get a personalized demo

Ready to see Wiz in action?

“Best User Experience I have ever seen, provides full visibility to cloud workloads.”
David EstlickCISO
“Wiz provides a single pane of glass to see what is going on in our cloud environments.”
Adam FletcherChief Security Officer
“We know that if Wiz identifies something as critical, it actually is.”
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo