CVE-2021-47522

HID: bigbenff: prevent null pointer dereference

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: bigbenff: evita la desreferencia del puntero nulo Al emular el dispositivo a través de uhid, existe la posibilidad de que no tengamos informes de salida y, por lo tanto, report_field sea nulo.

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bug fixes.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-24 CVE Reserved
2024-05-24 CVE Published
2025-05-04 CVE Updated
2025-11-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd	2021-12-14
https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e	2021-12-14
https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7	2021-12-14
https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0	2021-12-02

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.165 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.165"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.85 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.85"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.8 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.8"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.16 Search vendor "Linux" for product "Linux Kernel" and version " < 5.16"		en		Affected