// For flags

CVE-2021-46919

dmaengine: idxd: fix wq size store permission state

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

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.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-02-25 CVE Reserved
  • 2024-02-27 CVE Published
  • 2024-04-21 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.6 < 5.10.32
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.10.32"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.6 < 5.11.16
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.11.16"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.6 < 5.12
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.12"
en
Affected