CVE-2025-39940 Details
Description
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;
A vulnerability has been identified in the Linux kernel's DM-Stripe component, where an integer overflow may occur in the 'stripe_io_hints' function if the chunk size is excessively large. This overflow can lead to incorrect I/O limits being set. The issue has been addressed by modifying the code to check for potential overflows before setting the I/O limits, ensuring that they are only applied when safe.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been patched. Instructions for downloading the updated kernel can be found on the official Linux kernel website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/1071d560afb4c245c2076494226df47db5a35708 | kernel.org | Patch |
| https://git.kernel.org/stable/c/ee27658c239b27721397f3e4eb16370b5cce596e | kernel.org | Patch |
| https://git.kernel.org/stable/c/f8f64254bca5ae58f3b679441962bda4c409f659 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-190 | Integer Overflow or Wraparound | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 2.6.31.1, < 6.12.49 >= 6.13, < 6.16.9 2.6.31 - 2.6.31 rc9 6.17 rc1 6.17 rc2 6.17 rc3 6.17 rc4 6.17 rc5 6.17 rc6 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jan 23, 2026 | Initial Analysis | [email protected] |
| Oct 4, 2025 | New CVE Received | kernel.org |