Memory Leak Vulnerability in nfs Package

Kernel Updated 02 Oct 2025

Summary

03/08/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001419: nfs: fix acl memory leak of posix_acl_create(). Affects Kernel versions >= 013cdf1088d7235da9477a2375654921d9b9ba9f, < 8a2b308a54c5ec224fedc753617f99b29ffcd883. No fix is published. How to fix ↓

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Background

The nfs package is a component of the Linux Kernel, which is responsible for providing network file system services. It allows remote systems to access files and directories over a network as if they were local. The package implements the Network File System (NFS) protocol, enabling file sharing between systems. The vulnerability in question is related to a memory leak issue in the posix_acl_create() function of the nfs package.

Vulnerability Detail

The vulnerability arises from a memory leak in the posix_acl_create() function of the nfs package. When creating an access control list (ACL) using this function, memory is not properly deallocated, leading to a memory leak. This can result in the exhaustion of system resources over time, potentially leading to a denial-of-service (DoS) condition. The vulnerability was introduced in version v3.14 of the Linux Kernel and has been fixed in version v4.14.240.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

In conclusion, the nfs package in the Linux Kernel is vulnerable to a memory leak issue in the posix_acl_create() function. This vulnerability can lead to resource exhaustion and a potential denial-of-service (DoS) condition. It is recommended to update the Linux Kernel to version v4.14.240 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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