CVE-2025-39916
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: avoid divide-by-zero in damon_reclaim_apply_parameters() When creating a new scheme of DAMON_RECLAIM, the calculation of 'min_age_region' uses 'aggr_interval' as the divisor, which may lead to division-by-zero errors. Fix it by directly returning -EINVAL when such a case occurs.
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Meta Information
Published
2025-10-01
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-10-01
EPSS Evaluated
2026-06-14
NVD
CVE-2025-39916
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel 6.1.153
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a divide-by-zero error in the Linux kernel's DAMON_RECLAIM feature. Specifically, when creating a new scheme of DAMON_RECLAIM, the calculation of 'min_age_region' uses 'aggr_interval' as a divisor, which can be zero, leading to a division-by-zero error. The fix involves returning an error code (-EINVAL) when this situation occurs to prevent the error.

Impact Analysis

The divide-by-zero error could cause the affected part of the Linux kernel to malfunction or crash, potentially leading to system instability or denial of service. This could impact system reliability and availability.

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