CVE-2025-21924: 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: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error During the initialization of ptp, hclge_ptp_get_cycle might return an error and returned directly without unregister clock and free it. To avoid that, call hclge_ptp_destroy_clock to unregist and free clock if hclge_ptp_get_cycle failed.

Affected products

• Linux Linux Kernel: from 5.14.1, 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); from 6.13, before 6.13.7 (fixed in 6.13.7); version 5.14 only; …

Published 2025-04-01. Last modified 2026-07-30.