Memory Leak Vulnerability in scsi: pm80xx

Kernel Updated 02 Oct 2025

Summary

29/11/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002349: scsi: pm80xx: Fix memory leak during rmmod. Affects Kernel versions < 269a4311b15f68d24e816f43f123888f241ed13d. No fix is published. How to fix ↓

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Background

The scsi: pm80xx package is a SCSI host bus adapter driver for the Linux kernel. It provides support for the PM8001/PM8003 SAS/SATA controllers. The package allows communication between the host system and SCSI devices, enabling data transfer and storage operations. However, a memory leak vulnerability has been identified in the package during the rmmod (remove module) process.

Vulnerability Detail

The memory leak vulnerability in scsi: pm80xx occurs when the module is unloaded from the kernel using the rmmod command. During this process, memory resources allocated by the module are not properly freed, leading to a memory leak. If this vulnerability is exploited, it can result in the exhaustion of system memory, leading to performance degradation or even system crashes. The vulnerability has been fixed in Linux Kernel version v5.15.5 by commit 269a4311b15f68d24e816f43f123888f241ed13d.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

In conclusion, the scsi: pm80xx package in the Linux Kernel is vulnerable to a memory leak issue during the rmmod process. This vulnerability can lead to memory exhaustion and system instability. It is recommended to update the Linux Kernel to version v5.15.5 or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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