Race Condition Vulnerability in ocfs2 Package
Summary
GSD-2021-1002123: ocfs2: fix race between searching chunks and release journal_head from buffer_head. Affects Kernel versions < 2e382600e8856ea654677b5134ee66e03ea72bc2. 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 component of the Linux Kernel ecosystem. It provides a distributed file system for Linux clusters, allowing multiple nodes to access shared storage simultaneously. The package is responsible for managing the allocation and synchronization of data across the cluster. However, a race condition vulnerability has been identified in the ocfs2 package, which can lead to potential security risks.
Vulnerability Detail
The race condition vulnerability in ocfs2 occurs when there is a race between searching chunks and releasing journal_head from buffer_head. This vulnerability can be exploited by an attacker to manipulate the state of the file system, potentially leading to data corruption or unauthorized access. The vulnerability has been assigned the ID GSD-2021-1002123 and has been fixed in Linux Kernel version v5.14.16 by commit 2e382600e8856ea654677b5134ee66e03ea72bc2.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.14.16 or later. This can be done by pulling the latest updates from the official Linux Kernel repository using the following command:
$ git pull https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
After updating the kernel, it is important to reboot the system to apply the changes.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no specific workaround available for this vulnerability. It is crucial to update the Linux Kernel to the fixed version as mentioned in the 'how_to_fix' section.
Conclusion
The race condition vulnerability in the ocfs2 package can pose significant security risks, including data corruption and unauthorized access. It is crucial to update the Linux Kernel to version v5.14.16 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
ocfs2 is a distributed file system for Linux clusters that allows multiple nodes to access shared storage simultaneously.
A race condition vulnerability occurs when the behavior of a program or system depends on the relative timing of events, which can lead to unexpected and potentially malicious outcomes.
The race condition vulnerability in ocfs2 can result in data corruption, unauthorized access, and potential security breaches.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will provide real-time alerts for any open-source vulnerabilities, including this one.
You can refer to the commit 2e382600e8856ea654677b5134ee66e03ea72bc2 in the Linux Kernel repository for more details on the fix.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Follow Vulert in Google
Get more Vulert vulnerability and dependency-security updates in Google Search and AI results.