Vulnerability in vsock package: Removal from connected table interrupted by signal

Kernel Updated 02 Oct 2025

Summary

27/02/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1000459: vsock: remove vsock from connected table when connect is interrupted by a signal. Affects Kernel versions >= d021c344051af91f42c5ba9fdedc176740cbd238, < 787468ee7a435777521d33399d012fd591ae2f94. No fix is published. How to fix ↓

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Background

The vsock package is a component of the Linux Kernel ecosystem. It provides a communication interface between virtual machines and the host kernel. It allows for efficient communication between guest and host systems by utilizing sockets. The vsock package is an integral part of the Linux Kernel and is widely used in virtualization environments.

Vulnerability Detail

The vulnerability in the vsock package occurs when a connection attempt is interrupted by a signal. In such cases, the vsock remains in the connected table, potentially leading to resource leaks and other issues. This vulnerability was introduced in version v3.9 of the Linux Kernel and has been fixed in version v5.15.25. The impact and attack plausibility of this vulnerability have not been proven yet.

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 v5.15.25 or later. This can be done by obtaining the updated kernel source code from the official Linux Kernel repository and compiling it for the target system. Alternatively, users can wait for their Linux distribution to provide an updated kernel package.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The vsock package in the Linux Kernel is vulnerable to a potential resource leak issue when a connection attempt is interrupted by a signal. It is recommended to update the Linux Kernel to version v5.15.25 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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