Deadlock Vulnerability in ubifs Package

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-2022-1002032: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback. Affects Kernel versions >= 9e0a1fff8db56eaaebb74b4a3ef65f86811c4798, < 83e42a78428fc354f5e2049935b84c8d8d29b787. No fix is published. How to fix ↓

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Background

The ubifs package is a file system designed for use on flash devices. It is commonly used in embedded systems and provides features such as compression and wear-leveling. This vulnerability affects the ubifs package in the Linux Kernel.

Vulnerability Detail

The vulnerability in ubifs arises from a deadlock that can occur when there is concurrent activity involving rename whiteout and inode writeback operations. This can lead to a system deadlock, causing the affected system to become unresponsive. The vulnerability was introduced in version v4.9 of the Linux Kernel and has been fixed in version v5.10.110.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no known workaround for this vulnerability. It is necessary to update the Linux Kernel to the fixed version.

Conclusion

In conclusion, the ubifs package in the Linux Kernel is vulnerable to a deadlock issue when there is concurrent activity involving rename whiteout and inode writeback operations. This can lead to a system deadlock and unresponsiveness. It is recommended to update the Linux Kernel to version v5.10.110 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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