CVE-2021-46919

Published: Feb 27, 2024Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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.

Affected (2)

Products: Linux: Linux Kernel

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.11.0 to 5.11.16
Linux Linux Kernel	From 5.6.0 to 5.10.32

References (6)

https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

Timeline

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