Not yet scoredPublished Dec 4, 2025

CVE-2025-40227mm/damon/sysfs: dealloc commit test ctx always

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 4c9ea539ad59ec60676930dacee02b7adde2e0c0 before ba236520ae53418859f4b7c7de3c71478d3c0b5a; from 4c9ea539ad59ec60676930dacee02b7adde2e0c0 before 139e7a572af0b45f558b5e502121a768dc328ba8	CNA record

References

References

https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a
https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.