CVE-2021-47437

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47437
In the Linux kernel, the following vulnerability has been resolved: iio: adis16475: fix deadlock on frequency set With commit 39c024b51b560 ("iio: adis16475: improve sync scale mode handling"), two deadlocks were introduced: 1) The call to 'adis_write_reg_16()' was not changed to it's unlocked version. 2) The lock was not being released on the success path of the function. This change fixes both these issues.

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/04e03b907022ebd876f422f17efcc2c6cc934dc6 Patch
https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 Patch
https://git.kernel.org/stable/c/04e03b907022ebd876f422f17efcc2c6cc934dc6 Patch
https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
History

17 Jun 2026, 04:17

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
CWE CWE-667
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/04e03b907022ebd876f422f17efcc2c6cc934dc6 - () https://git.kernel.org/stable/c/04e03b907022ebd876f422f17efcc2c6cc934dc6 - Patch
References () https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 - () https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 - Patch

21 Nov 2024, 06:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/04e03b907022ebd876f422f17efcc2c6cc934dc6 - () https://git.kernel.org/stable/c/04e03b907022ebd876f422f17efcc2c6cc934dc6 -
References () https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 - () https://git.kernel.org/stable/c/9da1b86865ab4376408c58cd9fec332c8bdb5c73 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: adis16475: corrige el punto muerto en el conjunto de frecuencias Con el commit 39c024b51b560 ("iio: adis16475: mejora el manejo del modo de escala de sincronización"), se introdujeron dos puntos muertos: 1) La llamada a 'adis_write_reg_16 ()' no se cambió a su versión desbloqueada. 2) El bloqueo no se estaba liberando en la ruta exitosa de la función. Este cambio soluciona ambos problemas.

22 May 2024, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-22 07:15

Updated : 2026-06-17 04:17

NVD link : CVE-2021-47437

Mitre link : CVE-2021-47437

CVE.ORG link : CVE-2021-47437

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-667

Improper Locking