Critical Vulnerability in Linux Kernel Affecting Debian Packages
Summary
CVE-2025-38577: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid panic in f2fs_evict_inode As syzbot [1] reported as below: R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe17473450 R13: 000... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Linux kernel is the core component of the Debian operating system, responsible for managing hardware and system resources. It provides essential services for all other parts of the system, including device drivers, system calls, and process management. This vulnerability specifically impacts the f2fs filesystem, which is designed for flash storage. The kernel's handling of inode synchronization in f2fs has a flaw that can lead to system instability and potential data loss.
Vulnerability Detail
The vulnerability, identified as CVE-2025-38577, originates from a use-after-free error in the Linux kernel's f2fs implementation. This flaw can cause a kernel panic, leading to system crashes and potential data corruption. The issue arises during inode synchronization, where improper memory management can allow access to freed memory, resulting in unpredictable behavior. Attackers could exploit this vulnerability to crash the system or execute arbitrary code, posing significant risks to system integrity and data security.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, users can avoid using the f2fs filesystem until the vulnerability is patched. Additionally, consider switching to a different filesystem that does not exhibit this issue, such as ext4 or xfs, until an update is available.
Conclusion
CVE-2025-38577 represents a significant vulnerability in the Linux kernel that can lead to severe system issues. Users are strongly advised to update their systems promptly to ensure protection against potential exploits. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in real-time.
See every vulnerability recorded for linux →
FAQ
CVE-2025-38577 is a critical vulnerability in the Linux kernel affecting the f2fs filesystem, which can lead to system crashes and data loss.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
The risks include system instability, potential data corruption, and the possibility of remote code execution if exploited by an attacker.
Yes, a patch is available. Users should update their Linux kernel to the latest version to mitigate this vulnerability.
If an immediate update is not possible, consider using a different filesystem or temporarily disabling services that rely on f2fs until the patch can be applied.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
