CVE-2021-47522

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7	Patch
https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e	Patch
https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd	Patch
https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0	Patch
https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7	Patch
https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e	Patch
https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd	Patch
https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

21 Nov 2024, 06:36

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 - Patch~~	() https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 - Patch
References	~~() https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e - Patch~~	() https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e - Patch
References	~~() https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd - Patch~~	() https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd - Patch
References	~~() https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0 - Patch~~	() https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0 - Patch

10 Jun 2024, 18:42

Type	Values Removed	Values Added
Summary		(es) 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.
References	~~() https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 -~~	() https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 - Patch
References	~~() https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e -~~	() https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e - Patch
References	~~() https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd -~~	() https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd - Patch
References	~~() https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0 -~~	() https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0 - Patch
CPE		cpe:2.3:o:linux:linux_kernel::::::::
CWE		CWE-476
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
First Time		Linux Linux linux Kernel

24 May 2024, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-24 15:15

Updated : 2024-11-21 06:36

NVD link : CVE-2021-47522

Mitre link : CVE-2021-47522

CVE.ORG link : CVE-2021-47522

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

5.5 /10