Vulnerability in ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock
Summary
GSD-2022-1003689: ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock. Affects Kernel versions < 82bf8e7271fade40184177cb406203addc34c4a0. 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 ocfs2 package is a part of the Linux Kernel ecosystem. It provides a distributed lock manager (DLM) file system (dlmfs) for the OCFS2 (Oracle Cluster File System 2) file system. The DLM is responsible for coordinating access to shared resources in a clustered environment. The user_dlm_destroy_lock function in the dlmfs module is vulnerable to a specific error handling issue.
Vulnerability Detail
The vulnerability in ocfs2: dlmfs arises from an error handling flaw in the user_dlm_destroy_lock function. This flaw can be exploited by an attacker to cause a denial-of-service (DoS) condition or potentially execute arbitrary code. The vulnerability was fixed in Linux Kernel version v5.4.198 by commit 82bf8e7271fade40184177cb406203addc34c4a0.
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
There is no known workaround for this vulnerability. It is necessary to apply the fix by updating the Linux Kernel.
Conclusion
In conclusion, the ocfs2: dlmfs vulnerability in the Linux Kernel can lead to a denial-of-service condition or potential code execution. It is crucial to update the Linux Kernel to version v5.4.198 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
ocfs2 is the Oracle Cluster File System 2, a shared-disk file system designed for use in a clustered environment.
dlmfs is the distributed lock manager file system module in ocfs2. It provides coordination of shared resource access in a clustered environment.
The vulnerability can lead to a denial-of-service (DoS) condition or potential execution of arbitrary code, depending on the attacker's capabilities.
The vulnerability was fixed in Linux Kernel version v5.4.198 by commit 82bf8e7271fade40184177cb406203addc34c4a0.
No, there is no known workaround for this vulnerability. Updating the Linux Kernel is necessary.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
