CVE-2019-14895CWE-122

A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver

High · published November 29, 2019

CVSS v3.0
8.0
EPSS
8%
Percentile
94.6
In the wild
Unconfirmed
What it is

⚡ A heap-based buffer overflow in the Linux kernel could let an attacker crash your system or, even worse, run their own code remotely! 🔥 Think of it like a waiter who takes an order but accidentally spills soup all over the kitchen floor, causing chaos instead of serving your meal. This vulnerability could leave your Linux system in a similar state of disarray! With this exploit, a crafty remote device could not only cause a denial of service, bringing your system to a crashing halt, but might also execute arbitrary code—imagine someone turning your peaceful dinner into a full-blown party without your permission! The potential for disruption is absolutely devastating!

Put simply

Think of it like a waiter who takes an order but accidentally spills soup all over the kitchen floor, causing chaos instead of serving your meal. This vulnerability could leave your Linux system in a similar state of disarray! This vulnerability exists in the Marvell WiFi chip driver within the Linux kernel, affecting all versions 3.x.x and 4.x.x prior to 4.18.0. The flaw occurs during connection negotiation involving country settings, leading to a heap-based buffer overflow that can be exploited by a remote device.

What to do

With this exploit, a crafty remote device could not only cause a denial of service, bringing your system to a crashing halt, but might also execute arbitrary code—imagine someone turning your peaceful dinner into a full-blown party without your permission! The potential for disruption is absolutely devastating! To mitigate this risk, immediately upgrade your Linux kernel to version 4.18.0 or later. Make sure to review any configurations related to the Marvell WiFi chip driver and consider monitoring for any unusual activity in your system logs. You've got this! With a simple kernel upgrade, your system will be more secure and ready to take on whatever comes next! 🛡️

The record
Technical detail
CVSS v3.0
8.0 · HIGH
Vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.07760 · 94.6th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2019-11-29T13:50Z
EPSS history
Timeline
  • 29 NOV 13:50Z
    A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver
    cvelistv5