CVE-2021-47522

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

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
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

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 : 2024-06-10 18:42

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