CVE-2025-40227
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 4, 2025
First seenDec 4, 2025
How to fix
Update
- Linux Linuxba236520ae53418859f4b7c7de3c71478d3c0b5a, 139e7a572af0b45f558b5e502121a768dc328ba8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 4c9ea539ad59ec60676930dacee02b7adde2e0c0 ≤ v < ba236520ae53418859f4b7c7de3c71478d3c0b5a, 4c9ea539ad59ec60676930dacee02b7adde2e0c0 ≤ v < 139e7a572af0b45f558b5e502121a768dc328ba8, 6.15 | ba236520ae53418859f4b7c7de3c71478d3c0b5a, 139e7a572af0b45f558b5e502121a768dc328ba8 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.