ext4: Don't BUG if someone dirty pages without asking ext4 first

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-2022-1002423: ext4: don't BUG if someone dirty pages without asking ext4 first. Affects Kernel versions < d666dfaa571465a19f014534a214c255ea33f301. No fix is published. How to fix ↓

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Background

The ext4 package is a file system driver for the Linux kernel. It provides support for the fourth extended file system (ext4) and is widely used in Linux distributions. The ext4 file system is known for its performance, scalability, and reliability. However, a vulnerability has been discovered in the ext4 driver that could potentially lead to system crashes or other unexpected behavior.

Vulnerability Detail

The vulnerability in the ext4 driver occurs when someone dirty pages without first asking ext4. This can trigger a BUG condition, causing the system to crash or behave unpredictably. The exact impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in the Linux Kernel version v4.14.276 by commit d666dfaa571465a19f014534a214c255ea33f301.

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. The recommended solution is to update the Linux Kernel to the fixed version.

Conclusion

The ext4 driver in the Linux Kernel has a vulnerability that can lead to system crashes or unexpected behavior. It is crucial to update the Linux Kernel to version v4.14.276 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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