CVE-2025-39940: 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: dm-stripe: fix a possible integer overflow There's a possible integer overflow in stripe_io_hints if we have too large chunk size. Test if the overflow happened, and if it did, don't set limits->io_min and limits->io_opt;

Affected products

• Linux Linux Kernel: from 2.6.31.1, before 6.12.49 (fixed in 6.12.49); from 6.13, before 6.16.9 (fixed in 6.16.9); version 2.6.31 only; version 6.17 only

Published 2025-10-04. Last modified 2026-06-17.