Inode Reference Leakage in Linux Kernel - CVE-2022-49109
Summary
CVE-2022-49109: In the Linux kernel, the following vulnerability has been resolved: ceph: fix inode reference leakage in ceph_get_snapdir() The ceph_get_inode() will search for or insert a new inode into the hash for the given vino, and... 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 Linux operating system, responsible for managing hardware resources and providing essential services to applications. It supports a wide range of functionalities, including process management, memory management, and device control. The kernel is modular, allowing for various file systems and network protocols, including Ceph, a distributed storage system. This vulnerability specifically affects the Ceph file system implementation within the Linux kernel, leading to potential inode reference leakage.
Vulnerability Detail
CVE-2022-49109 is a vulnerability in the Linux kernel's Ceph file system that arises from improper handling of inode references during error conditions in the ceph_get_snapdir() function. When a new inode is created or searched for, the reference to it should be managed correctly. However, in error handling cases, the reference is not released, leading to a potential memory leak. This could result in increased memory usage and, in severe cases, could affect system stability or performance.
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
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the available patches as soon as possible.
Conclusion
CVE-2022-49109 is a significant vulnerability in the Linux kernel's Ceph file system that can lead to inode reference leakage. It is essential to update to the patched version to ensure system stability and performance. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for linux →
FAQ
CVE-2022-49109 is a vulnerability in the Linux kernel related to inode reference leakage in the Ceph file system.
This vulnerability can lead to memory leaks, potentially affecting system performance and stability.
Versions of Linux using the Ceph file system prior to the patched version 5.17.3-1 are affected.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
While there are no specific workarounds, it is crucial to plan for an update as soon as possible to mitigate the risk.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
