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.

*Credits: N/A

CVSS Scores

NISTv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* 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
2024-06-11 EPSS Updated
2024-11-04 CVE 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