CVE-2021-46919: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Linux Linux Kernel: from 5.6.0, before 5.10.32 (fixed in 5.10.32); from 5.11.0, before 5.11.16 (fixed in 5.11.16)

Published 2024-02-27. Last modified 2026-06-17.