CVE-2026-23263: 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 page array leak d9f595b9a65e ("io_uring/zcrx: fix leaking pages on sg init fail") fixed a page leakage but didn't free the page array, release it as well.

Affected products

• Linux Linux Kernel: from 6.17, before 6.18.10 (fixed in 6.18.10); version 6.19 only

Published 2026-03-18. Last modified 2026-06-17.