NFS Vulnerability in Linux Kernel

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002346: NFS: remove unneeded check in decode_devicenotify_args(). Affects Kernel versions >= a4f743a6bb201662962fa888e3f978583d61691e, < 97cc035bdfe754dbfbc2c9b04bc46bc71ef5bc93. No fix is published. How to fix ↓

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Background

The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing essential services. It is widely used in various Linux distributions and powers a significant portion of servers, embedded systems, and devices. The NFS (Network File System) is a protocol implemented in the Linux Kernel that allows remote file access over a network. It enables clients to mount remote directories and access files as if they were on the local system. NFS plays a crucial role in distributed computing and network storage solutions.

Vulnerability Detail

The vulnerability identified as GSD-2022-1002346 in the Linux Kernel's NFS implementation involves an unneeded check in the decode_devicenotify_args() function. This check is unnecessary and can potentially introduce a security weakness. Although the impact and attack plausibility have not been proven, it is essential to address this vulnerability to maintain the integrity and security of NFS operations. The vulnerability was introduced in version v4.0 of the Linux Kernel and has been fixed in version v4.19.238 by commit 97cc035bdfe754dbfbc2c9b04bc46bc71ef5bc93.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been mentioned for this vulnerability.

Conclusion

The NFS vulnerability in the Linux Kernel, identified as GSD-2022-1002346, involves an unneeded check in the decode_devicenotify_args() function. While the impact and attack plausibility have not been proven, it is crucial to address this vulnerability by updating the Linux Kernel to version v4.19.238 or later. This will ensure the integrity and security of NFS operations. For further support on vulnerability remediation, please contact DevNack.com.

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