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CVE-2025-40227

UnknownEPSS 0.15%

Last modified

CVE-2025-40227 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.15%

5.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 4c9ea539ad59ec60676930dacee02b7adde2e0c0, < ba236520ae53418859f4b7c7de3c71478d3c0b5a; >= 4c9ea539ad59ec60676930dacee02b7adde2e0c0, < 139e7a572af0b45f558b5e502121a768dc328ba8
LinuxLinux6.15

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40227?
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.
How severe is CVE-2025-40227?
Severity scoring for CVE-2025-40227 is pending analysis. The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40227?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST