CVE-2025-40227

Published: Dec 4, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc commit test ctx always The damon_ctx for testing online DAMON parameters commit inputs is deallocated only when the test fails. This means memory is leaked for every successful online DAMON parameters commit. Fix the leak by always deallocating it.

Vendor	Product	Versions
Linux	Linux	affected `4c9ea539ad59ec60676930dacee02b7adde2e0c0 - < ba236520ae53418859f4b7c7de3c71478d3c0b5a` affected `4c9ea539ad59ec60676930dacee02b7adde2e0c0 - < 139e7a572af0b45f558b5e502121a768dc328ba8`
Linux	Linux	affected `6.15` unaffected `0 - < 6.15` unaffected `6.17.6 - <= 6.17.` unaffected `6.18 - <= `

References

https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a

https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8

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CVE-2025-40227

Description

Affected Products

References