Vulnerability in Kernel: net: stmmac: dwc-qos: Disable split header for Tegra194

Kernel Updated 02 Oct 2025

Summary

31/07/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1004406: net: stmmac: dwc-qos: Disable split header for Tegra194. Affects Kernel versions >= 67afd6d1cfdf0d0461fe3c4c922447f3e9b1c6ee, < d5c315a787652c35045044877a249f7d5c8a4104. 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 Kernel is a critical component of the Linux operating system that manages communication between hardware and software. It provides essential functions and services to enable the proper functioning of the system. The stmmac driver is responsible for managing Ethernet interfaces, while dwc-qos is a Quality of Service (QoS) module for the stmmac driver. Tegra194 is a specific platform that utilizes the stmmac driver with dwc-qos. This vulnerability affects the Tegra194 platform running the Linux Kernel.

Vulnerability Detail

The vulnerability in the stmmac driver with dwc-qos on the Tegra194 platform allows an attacker to exploit a split header feature, potentially leading to security breaches. The split header feature is enabled by default, but it should be disabled to mitigate the vulnerability. By disabling the split header, the system prevents potential attacks that could compromise the integrity and confidentiality of network communication. This vulnerability was introduced in Linux Kernel version v5.4 and has been fixed in version v5.15.56.

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 v5.15.56 or later. This update includes the necessary patch to disable the split header feature for Tegra194. Users can obtain the updated Kernel from the official Linux Kernel repository. After updating, it is important to reboot the system to apply the changes.

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

Workaround

If updating the Kernel is not immediately feasible, a temporary workaround is to manually disable the split header feature for Tegra194. This can be achieved by modifying the Kernel configuration and rebuilding the Kernel with the split header feature disabled. Here is an example of how to disable the split header feature in the Kernel configuration:

Open the Kernel configuration file.
Locate the configuration option for the stmmac driver with dwc-qos.
Disable the split header feature by commenting out or setting the corresponding option to 'n'.
Save the configuration file.
Rebuild and reinstall the Kernel with the modified configuration.

Please note that this workaround is not a permanent solution and should be followed by updating the Kernel to the latest version as soon as possible.

Conclusion

The vulnerability in the stmmac driver with dwc-qos on the Tegra194 platform can be mitigated by updating the Linux Kernel to version v5.15.56 or later. Alternatively, a temporary workaround is available by manually disabling the split header feature. It is important to take action to protect the integrity and confidentiality of network communication. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →

FAQ

What is the impact of this vulnerability?

This vulnerability can potentially be exploited by attackers to compromise the integrity and confidentiality of network communication on the Tegra194 platform running the Linux Kernel. It is important to update the Kernel or apply the workaround to mitigate the risk.

How can I check if my system is affected?

You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will analyze the dependencies and alert you if any vulnerabilities, including this one, are found.