CVE-2021-46919

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-46919
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.

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/05b7791c4c4aa8304368fdc55ae911f6b34e7281 Patch
https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd Patch
https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae Patch
https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 Patch
https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd Patch
https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:34

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 - Patch () https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 - Patch
References () https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd - Patch () https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd - Patch
References () https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae - Patch () https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae - Patch

10 Apr 2024, 14:46

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 - () https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281 - Patch
References () https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd - () https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd - Patch
References () https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae - () https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
CWE NVD-CWE-noinfo
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

27 Feb 2024, 14:20

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: corregir el tamaño de wq estado del permiso de almacenamiento El tamaño de WQ solo se puede cambiar cuando el dispositivo está deshabilitado. El código actual permite cambios cuando el dispositivo está habilitado pero wq está deshabilitado. Cambie la verificación para detectar el estado del dispositivo.

27 Feb 2024, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-27 07:15

Updated : 2024-11-21 06:34

NVD link : CVE-2021-46919

Mitre link : CVE-2021-46919

CVE.ORG link : CVE-2021-46919

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo