CVE-2025-38504: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix pp destruction warnings With multiple page pools and in some other cases we can have allocated niovs on page pool destruction. Remove a misplaced warning checking that all niovs are returned to zcrx on io_pp_zc_destroy(). It was reported before but apparently got lost.

Affected products

• Linux Linux Kernel: from 6.15, before 6.15.7 (fixed in 6.15.7); version 6.16 only

Published 2025-08-16. Last modified 2026-06-17.