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CVE-2025-40227

kernel: mm/damon/sysfs: dealloc commit test ctx always

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · December 4, 2025

Updated · June 30, 2026

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.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE not specified