Use-after-free vulnerability in scsi: iscsi package

Kernel Updated 02 Oct 2025

Summary

03/08/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001335: scsi: iscsi: Fix conn use after free during resets. Affects Kernel versions < d04958a348e560938410e04a12fb99da9c7e6a00. No fix is published. How to fix ↓

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Background

The scsi: iscsi package is a component of the Linux Kernel that provides support for iSCSI (Internet Small Computer System Interface) storage protocol. It allows the Linux system to communicate with iSCSI storage devices over TCP/IP networks. The package includes functionalities for establishing and managing iSCSI connections, sending and receiving SCSI commands, and handling data transfers between the Linux system and iSCSI storage devices.

Vulnerability Detail

The identified vulnerability in the scsi: iscsi package is a use-after-free issue that occurs during resets. A use-after-free vulnerability refers to a situation where a program continues to use a memory area after it has been freed, leading to potential memory corruption or arbitrary code execution. In this case, the vulnerability occurs when handling resets in the iSCSI connection, resulting in the possibility of accessing freed memory and potentially causing a system crash or allowing an attacker to execute arbitrary code.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

The scsi: iscsi package in the Linux Kernel is affected by a use-after-free vulnerability during resets. This vulnerability can lead to system crashes or arbitrary code execution. To mitigate the risk, it is recommended to update the Linux Kernel to version v5.4.134 or later. For further support on vulnerability remediation, please contact DevNack.com.

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