Buffer Overflow Vulnerability in wl1251_cmd_scan

Kernel Updated 02 Oct 2025

Summary

03/08/2021
N/A
No i
Unrated
Not published

GSD-2021-1001392: wl1251: Fix possible buffer overflow in wl1251_cmd_scan. Affects Kernel versions < 115103f6e3f1c26c473766c16439c7c8b235529a. 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

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.

Sponsored Devnack Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The wl1251 package is a wireless LAN driver for Texas Instruments wl1251 chipset. It is a part of the Linux Kernel ecosystem. The driver provides functionality for scanning wireless networks. However, a vulnerability has been discovered in the wl1251_cmd_scan function, which could potentially lead to a buffer overflow.

Vulnerability Detail

The vulnerability in wl1251_cmd_scan function allows an attacker to overflow a buffer, potentially leading to remote code execution or denial of service. By sending a specially crafted request, an attacker can exploit this vulnerability and execute arbitrary code or crash the system. The impact and attack plausibility of this vulnerability have not yet been proven.

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 →

Conclusion

The wl1251 package in the Linux Kernel is vulnerable to a buffer overflow in the wl1251_cmd_scan function. This vulnerability can potentially lead to remote code execution or denial of service. It is recommended to update to Linux Kernel version v4.19.198 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →

Share this vulnerability

FAQ

The impact of this vulnerability could potentially lead to remote code execution or denial of service.

An attacker can exploit this vulnerability by sending a specially crafted request to the wl1251_cmd_scan function.

No, the impact and attack plausibility of this vulnerability have not yet been proven.

This vulnerability has been fixed in Linux Kernel version v4.19.198 or later.

No specific workaround has been provided for this vulnerability. It is recommended to update to the fixed version of the Linux Kernel.

Related vulnerabilities

Recent vulnerabilities recorded for Kernel.

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback