Vulnerability in vsock package: Removal from Connected Table on Interrupted Connect

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-2022-1000293: vsock: remove vsock from connected table when connect is interrupted by a signal. Affects Kernel versions >= d021c344051af91f42c5ba9fdedc176740cbd238, < 0bb88f3f7e8d506f3efe46d694964117e20efbfc. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The vsock package is a component of the Linux Kernel that provides support for virtual socket communication between virtual machines and the host system. It allows for efficient communication and data transfer between these entities. The package is an integral part of the Linux Kernel and is widely used in virtualization environments.

Vulnerability Detail

The identified vulnerability in the vsock package occurs when a connect operation is interrupted by a signal. In such cases, the vsock remains in the connected table, potentially leading to resource leaks and other issues. The vulnerability was introduced in version v3.9 of the Linux Kernel and has been fixed in version v4.9.303. 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 v4.9.303 or later. This update includes the necessary fix to remove vsock from the connected table when a connect operation is interrupted by a signal.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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 when a connect operation is interrupted by a signal. It is recommended to update the Linux Kernel to version v4.9.303 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →