Deadlock during failing recovery in s390/qeth package

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-2021-1001740: s390/qeth: fix deadlock during failing recovery. Affects Kernel versions >= b41b554c1ee75070a14c02a88496b1f231c7eacc, < 0bfe741741327822d1482c7edef0184636d08b40. 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 s390/qeth package is a component of the Linux Kernel that provides support for the IBM System z network devices. It enables communication between the mainframe and external networks. The package includes drivers and firmware for the qeth device, which is used for Ethernet connectivity on System z. The vulnerability in this package can lead to a deadlock situation during failing recovery.

Vulnerability Detail

The vulnerability in the s390/qeth package occurs during failing recovery, where a deadlock can be triggered. This can happen when the recovery process encounters an error and fails to recover properly, resulting in a deadlock situation. The impact of this vulnerability can vary depending on the specific scenario, but it can potentially lead to system instability, unresponsiveness, or even a complete system crash. The vulnerability was introduced in version v5.11 of the Linux Kernel and has been fixed in version v5.14.10.

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.

Conclusion

The s390/qeth package in the Linux Kernel is vulnerable to a deadlock during failing recovery. This vulnerability can have various impacts on system stability and performance. It is recommended to update the Linux Kernel to version v5.14.10 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →