Null Pointer Dereference in tty: synclink_gt

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1003944: tty: synclink_gt: Fix null-pointer-dereference in slgt_clean(). Affects Kernel versions < 078212ad15dbd88840c82c97f12c93d83703c8fd. 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 tty: synclink_gt package is a component of the Linux Kernel. It provides support for the SyncLink GT serial adapter. The package allows for communication between the computer and external devices through serial ports. The vulnerability in question is a null pointer dereference issue that exists in the slgt_clean() function of the package.

Vulnerability Detail

The null pointer dereference vulnerability in slgt_clean() can be exploited by an attacker to cause a denial-of-service condition or potentially execute arbitrary code. This occurs when the function attempts to access a null pointer, leading to a system crash or other unexpected behavior. The impact and attack plausibility of this vulnerability have not been proven yet.

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

No workaround has been provided for this vulnerability.

Conclusion

The null pointer dereference vulnerability in tty: synclink_gt can lead to a denial-of-service condition or potential arbitrary code execution. Users should update their Linux Kernel to version v4.14.283 or later to fix the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →