#VU61215 Input validation error in Linux kernel - CVE-2021-43976 

 

#VU61215 Input validation error in Linux kernel - CVE-2021-43976

Published: March 9, 2022


Vulnerability identifier: #VU61215
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-43976
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the mwifiex_usb_recv() function in drivers/net/wireless/marvell/mwifiex/usb.c in Linux kernel. An attacker with physical access to the system can insert a specially crafted USB device and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links