CVE-2021-47270

MEDIUM

Linux Kernel 4.6-4.9.273 - Null Pointer Dereference in USB Gadget Config

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference in f_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm} by simply reusing the 5gbps config for 10gbps.

Scores

CVSS v3 5.5
EPSS 0.0023
EPSS Percentile 13.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (18)
Linux/Linux < 4.6
Linux/Linux 4.14.237 - 4.14.*
Linux/Linux 4.19.195 - 4.19.*
Linux/Linux 4.6
Linux/Linux 4.9.273 - 4.9.*
Linux/Linux 5.10.44 - 5.10.*
Linux/Linux 5.12.11 - 5.12.*
Linux/Linux 5.13
Linux/Linux 5.4.126 - 5.4.*
Linux/Linux eaef50c760576bca70b87fdc26eb87a3660529f8 - 10770d2ac0094b053c8897d96d7b2737cd72f7c5
... and 8 more
Published May 21, 2024
Tracked Since Feb 18, 2026