Bug 2401420 (CVE-2025-39940) - CVE-2025-39940 kernel: dm-stripe: fix a possible integer overflow
Summary: CVE-2025-39940 kernel: dm-stripe: fix a possible integer overflow
Keywords:
Status: NEW
Alias: CVE-2025-39940
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-04 08:02 UTC by OSIDB Bzimport
Modified: 2025-10-06 16:02 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2025-10-04 08:02:18 UTC
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;


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