CVE-2025-39940

Updated on 04 Oct 2025

Severity

5.5 Medium severity

Details

CVSS score
5.5
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

About vulnerability

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;

Details

Affected packages:
kernel @ 4.18.0 (+15 more)

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;

Fixes