PT-2025-49054 · Linux+2 · Linux Kernel+2

CVE-2025-40227

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Published

2025-10-03

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Updated

2026-02-24

CVSS v2.0

4.6

Medium

VectorAV:L/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A memory leak exists in the Linux kernel’s mm/damon/sysfs component. Specifically, the damon ctx used for testing online DAMON parameters commit inputs is not always deallocated, leading to memory leakage with each successful online DAMON parameters commit. The issue involves the failure to deallocate memory associated with successful tests.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

BDU:2026-10203
BDU:2026-10204
CVE-2025-40227
USN-8029-1
USN-8029-2
USN-8029-3
USN-8030-1
USN-8048-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu