CVE-2025-21935: 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: rapidio: add check for rio_add_net() in rio_scan_alloc_net() The return value of rio_add_net() should be checked. If it fails, put_device() should be called to free the memory and give up the reference initialized in rio_add_net().

Affected products

• Linux Linux Kernel: from 4.6, before 5.4.291 (fixed in 5.4.291); from 5.5, before 5.10.235 (fixed in 5.10.235); from 5.11, before 5.15.179 (fixed in 5.15.179); from 5.16, before 6.1.131 (fixed in 6.1.131); from 6.2, before 6.6.83 (fixed in 6.6.83); from 6.7, before 6.12.19 (fixed in 6.12.19); …

Published 2025-04-01. Last modified 2026-06-17.