CVE-2021-47020

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47020
In the Linux kernel, the following vulnerability has been resolved: soundwire: stream: fix memory leak in stream config error path When stream config is failed, master runtime will release all slave runtime in the slave_rt_list, but slave runtime is not added to the list at this time. This patch frees slave runtime in the config error path to fix the memory leak.

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/2f17ac005b320c85d686088cfd4c2e7017912b88 Patch
https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 Patch
https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f Patch
https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a Patch
https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 Patch
https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea Patch
https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 Patch
https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 Patch
https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f Patch
https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a Patch
https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 Patch
https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

10 Dec 2024, 17:03

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 - () https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 - Patch
References () https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 - () https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 - Patch
References () https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f - () https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f - Patch
References () https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a - () https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a - Patch
References () https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 - () https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 - Patch
References () https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea - () https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-401
First Time Linux linux Kernel
Linux

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 - () https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 -
References () https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 - () https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 -
References () https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f - () https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f -
References () https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a - () https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a -
References () https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 - () https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 -
References () https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea - () https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea -

01 Mar 2024, 14:04

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: soundwire: stream: corrige la pérdida de memoria en la ruta de error de configuración de stream Cuando falla la configuración de stream, el tiempo de ejecución maestro liberará todo el tiempo de ejecución esclavo en Slave_rt_list, pero el tiempo de ejecución esclavo no se agrega a la lista. en este momento. Este parche libera el tiempo de ejecución esclavo en la ruta del error de configuración para corregir la pérdida de memoria.

29 Feb 2024, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-29 23:15

Updated : 2024-12-10 17:03

NVD link : CVE-2021-47020

Mitre link : CVE-2021-47020

CVE.ORG link : CVE-2021-47020

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime