CVE-2025-40227

linux: In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc commit test ctx always...

CVE-2025-40227 is fixed in linux on 1 platform by DEBIAN-CVE-2025-40227 (version 6.17.6-1), released December 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

9th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 14	6.17.6-1	DEBIAN-CVE-2025-40227	Dec 4, 2025

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