Vulnerability in btrfs Package: search_csum_tree Return Value

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-2022-1001147: btrfs: make search_csum_tree return 0 if we get -EFBIG. Affects Kernel versions < 93db0c727d2401da13101a075d09bbb75488af09. No fix is published. How to fix ↓

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Background

The btrfs package is a part of the Linux Kernel ecosystem and is responsible for providing support for the B-tree file system. Btrfs is designed to offer advanced features such as snapshots, pooling, and checksumming for data integrity. It is widely used in Linux distributions and provides efficient storage management capabilities.

Vulnerability Detail

The vulnerability in the btrfs package lies in the search_csum_tree function. Prior to the fix, if the function encountered an error code -EFBIG, it would return the error code instead of the expected value of 0. This behavior could lead to potential issues in error handling and result in incorrect data processing. Attackers could potentially exploit this vulnerability to manipulate the control flow and cause denial of service or other security breaches.

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 v5.17.2 or later. The fix for this issue was implemented in commit 93db0c727d2401da13101a075d09bbb75488af09. Updating to the latest version of the Linux Kernel will ensure that the search_csum_tree function returns the correct value of 0 when encountering -EFBIG errors.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The vulnerability in the btrfs package's search_csum_tree function can be mitigated by updating the Linux Kernel to version v5.17.2 or later. This fix ensures that the function returns the correct value of 0 when encountering -EFBIG errors. For further support on vulnerability remediation, please contact DevNack.com.

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