Memory Leak Vulnerability in nilfs2 Kernel Package
Summary
GSD-2021-1001143: nilfs2: fix memory leak in nilfs_sysfs_delete_device_group. Affects Kernel versions >= da7141fb78db915680616e15677539fc8140cf53, < 8fd0c1b0647a6bda4067ee0cd61e8395954b6f28. 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 nilfs2 package is a component of the Linux Kernel, which is responsible for managing the NILFS2 file system. NILFS2 is a log-structured file system that provides continuous snapshotting and supports efficient incremental backups. It is commonly used in Linux distributions for various applications and storage devices. However, a vulnerability has been discovered in the nilfs_sysfs_delete_device_group function, which can lead to a memory leak.
Vulnerability Detail
The vulnerability in the nilfs2 package arises from a memory leak issue in the nilfs_sysfs_delete_device_group function. When this function is called to delete a device group, it fails to release allocated memory, resulting in a memory leak. An attacker could potentially exploit this vulnerability by repeatedly triggering the deletion of device groups, leading to a gradual depletion of system memory resources. This could result in system instability, performance degradation, or even denial of service conditions.
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 workaround, users can avoid triggering the deletion of device groups in the nilfs2 file system until the Linux Kernel is updated to a version that includes the fix. This can help mitigate the risk of memory leaks and potential system instability.
Conclusion
The memory leak vulnerability in the nilfs2 package can have serious consequences for system stability and performance. It is crucial to update the Linux Kernel to a version that includes the fix for this issue. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability can lead to a memory leak, which can result in system instability, performance degradation, or denial of service conditions.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this memory leak vulnerability in the nilfs2 package.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to promptly update the Linux Kernel to mitigate the risk of potential exploitation.
As a temporary measure, you can avoid triggering the deletion of device groups in the nilfs2 file system until the Linux Kernel is updated to a version that includes the fix. This can help reduce the risk of memory leaks and potential system instability.
You can find more information about this vulnerability in the GSD-2021-1001143 JSON report available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001143.json.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
