CVE-2025-21882: 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: net/mlx5: Fix vport QoS cleanup on error When enabling vport QoS fails, the scheduling node was never freed, causing a leak. Add the missing free and reset the vport scheduling node pointer to NULL.

Affected products

• Linux Linux Kernel: from 6.13, before 6.13.6 (fixed in 6.13.6); version 6.14 only

Published 2025-03-27. Last modified 2026-07-30.