net/smc: Fix 'workqueue leaked lock' in smc_conn_abort_work

Kernel Updated 02 Oct 2025

Summary

19/10/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001671: net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work. Affects Kernel versions >= b286a0651e4404ab96cdfdcdad8a839a26b3751e, < b4561bd29e62b24b245a53391e64b6880f0792cc. 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 net/smc package is a part of the Linux Kernel ecosystem. It provides functionality for the SMC (System Management Controller) protocol, which is used for communication between systems. The SMC protocol is primarily used in high-performance computing environments. The vulnerability described in this report affects the net/smc package.

Vulnerability Detail

The vulnerability in the net/smc package is related to a 'workqueue leaked lock' issue in the smc_conn_abort_work function. This vulnerability was introduced in version v5.8 of the Linux Kernel and fixed in version v5.10.70. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially lead to security breaches or system instability. The vulnerability is tracked with the ID GSD-2021-1001671.

How To Fix

No fixed version is published for this vulnerability.

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. The recommended approach is to update the Linux Kernel to the fixed version.

Conclusion

The net/smc package in the Linux Kernel is vulnerable to a 'workqueue leaked lock' issue in the smc_conn_abort_work function. To ensure the security and stability of the system, it is recommended to update the Linux Kernel to version v5.10.70 or later. For further support on vulnerability remediation, you can contact DevNack.com.

See every vulnerability recorded for Kernel →