CVE-2019-14896CWE-122

A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver

High · published November 27, 2019

CVSS v3.0
7.8
EPSS
9%
Percentile
95.1
In the wild
Unconfirmed
What it is

⚡ A heap-based buffer overflow in the Linux kernel's Marvell WiFi chip driver could leave your system vulnerable to crashes or even malicious code execution! 🔥 Think of this vulnerability like a faulty circuit breaker in a power grid. When too much power flows through, it can trip the breaker, causing a blackout — or worse, it could allow rogue currents to fry the entire system! An attacker could trigger a denial-of-service condition, leading to a system crash when a device connects to an access point. In the worst-case scenario, this could allow an attacker to execute arbitrary code, potentially gaining full control of your system — absolutely devastating!

Put simply

Think of this vulnerability like a faulty circuit breaker in a power grid. When too much power flows through, it can trip the breaker, causing a blackout — or worse, it could allow rogue currents to fry the entire system! This heap-based buffer overflow exists in the lbs_ibss_join_existing function of the Marvell WiFi chip driver in Linux kernel version 2.6.32. When a device connects to an access point, improper buffer management allows remote attackers to exploit this flaw.

What to do

An attacker could trigger a denial-of-service condition, leading to a system crash when a device connects to an access point. In the worst-case scenario, this could allow an attacker to execute arbitrary code, potentially gaining full control of your system — absolutely devastating! It's critical to patch this vulnerability by updating your Linux kernel to a version that is not affected by CVE-2019-14896. Make sure to stay updated on security patches from your distribution provider and consider auditing your system for any unnecessary drivers. You've got this! Patch it up and keep your system secure! 🛡️

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08667 · 95.1th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2019-11-27T08:05Z
EPSS history
Timeline
  • 27 NOV 08:05Z
    A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver
    cvelistv5