CVE-2021-47522

MEDIUM

Linux Kernel - Null Pointer Dereference in HID BigBen Force Feedback Driver

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through uhid, there is a chance we don't have output reports and so report_field is null.

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd

Patch

https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e

Patch

https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7

Patch

https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0

Scores

CVSS v3 5.5

EPSS 0.0024

EPSS Percentile 14.8%

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 (11)

Linux/Linux < 4.20

Linux/Linux 256a90ed9e46b270bbc4e15ef05216ff049c3721 - 58f15f5ae7786c824868f3a7e093859b74669ce7

Linux/Linux 256a90ed9e46b270bbc4e15ef05216ff049c3721 - 6272b17001e6fdcf7b4a16206287010a1523fa6e

Linux/Linux 256a90ed9e46b270bbc4e15ef05216ff049c3721 - 8e0ceff632f48175ec7fb4706129c55ca8a7c7bd

Linux/Linux 256a90ed9e46b270bbc4e15ef05216ff049c3721 - 918aa1ef104d286d16b9e7ef139a463ac7a296f0

Linux/Linux 4.20

Linux/Linux 5.10.85 - 5.10.*

Linux/Linux 5.15.8 - 5.15.*

Linux/Linux 5.16

Linux/Linux 5.4.165 - 5.4.*

... and 1 more

Published May 24, 2024

Tracked Since Feb 18, 2026