hfsplus: Prevent Corruption in Shrinking Truncate

Kernel Updated 02 Oct 2025

Summary

31/05/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000445: hfsplus: prevent corruption in shrinking truncate. Affects Kernel versions >= 31651c607151f1034cfb57e5a78678bea54c362b, < 52dde855663e5db824af51db39b5757d2ef3e28a. No fix is published. How to fix ↓

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Background

The hfsplus package is a file system driver for the HFS+ file system, which is commonly used in macOS. It allows Linux systems to read and write to HFS+ formatted drives. The vulnerability in question affects the hfsplus driver in the Linux Kernel.

Vulnerability Detail

The vulnerability in the hfsplus driver allows for corruption to occur during a shrinking truncate operation. This can lead to data loss or data corruption on HFS+ formatted drives. The issue was introduced in version v4.19 of the Linux Kernel and was fixed in version v4.19.191. The vulnerability was discovered and reported by an automated tool, and its impact and attack plausibility have not been proven.

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 v4.19.191 or later. This can be done by downloading the latest stable version of the Linux Kernel from the official repository and following the installation instructions provided.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The hfsplus package in the Linux Kernel is vulnerable to corruption during a shrinking truncate operation. It is recommended to update the Linux Kernel to version v4.19.191 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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