Use After Free Vulnerability in scsi: libfc

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-2022-1001998: scsi: libfc: Fix use after free in fc_exch_abts_resp(). Affects Kernel versions < 1d7effe5fff9d28e45e18ac3a564067c7ddfe898. No fix is published. How to fix ↓

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Background

The scsi: libfc package is a component of the Linux Kernel that provides support for the Fibre Channel (FC) protocol. It is responsible for handling FC exchanges and managing FC fabric services. The package is widely used in Linux-based systems that utilize FC storage networks.

Vulnerability Detail

The identified vulnerability in scsi: libfc is a use after free issue in the fc_exch_abts_resp() function. This vulnerability occurs when a memory region is accessed after it has been freed, leading to potential memory corruption or crashes. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause a denial of service (DoS) condition.

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 v5.10.111 or later. The fix for this vulnerability is included in commit 1d7effe5fff9d28e45e18ac3a564067c7ddfe898 of the Linux Kernel repository. Users should update their systems to the latest stable version of the Linux Kernel to ensure the vulnerability is patched.

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Workaround

There is no known workaround for this vulnerability. It is recommended to apply the official patch or update the affected package to the latest version.

Conclusion

The use after free vulnerability in scsi: libfc can be mitigated by updating the Linux Kernel to version v5.10.111 or later. Users should ensure they are running the latest stable version of the Linux Kernel to protect their systems from potential exploitation. For further support and assistance with vulnerability remediation, please contact DevNack.com.

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