NFS: Fix an Oopsable condition in __nfs_pageio_add_request() - Kernel
Summary
UVI-2021-1000636: NFS: Fix an Oopsable condition in __nfs_pageio_add_request(). Affects Kernel versions >= a7d42ddb3099727f58366fa006f850a219cce6c8, < 1fc5f4eb9d31268ac3ce152d74ad5501ad24ca3e. 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 Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and enables the execution of user programs. The NFS (Network File System) is a distributed file system protocol that allows remote file access over a network. It is commonly used for sharing files between systems. The vulnerability in question affects the Kernel's NFS implementation.
Vulnerability Detail
The vulnerability, identified as UVI-2021-1000636, exists in the __nfs_pageio_add_request() function of the NFS implementation in the Kernel. It can lead to an Oopsable condition, indicating a potential crash or instability. The exact impact and attack plausibility have not been proven yet. The vulnerability was introduced in version v4.0 of the Kernel and is fixed in version v5.4.124. More details can be found in the provided references.
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
No specific workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in the __nfs_pageio_add_request() function of the NFS implementation in the Linux Kernel can lead to crashes or instability. It is recommended to update the Kernel to version v5.4.124 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is not yet proven, but it could potentially lead to crashes or instability in systems running the affected version of the Linux Kernel with NFS enabled.
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 open-source vulnerabilities in real-time.
Yes, a patch is available in version v5.4.124 of the Linux Kernel. It is recommended to update to this version or a later one to fix the vulnerability.
As of now, no specific workaround has been provided for this vulnerability. It is recommended to update the Kernel to the fixed version to mitigate the risk.
You can find more information about this vulnerability in the provided references and the Vulert database at https://vulert.com.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
