CVE-2025-40227

Linux Kernel - Memory Leak in DAMON Context Deallocation

Title source: llm
STIX 2.1

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.

Scores

EPSS 0.0016
EPSS Percentile 5.7%

Details

Status published
Products (7)
linux/Kernel 6.15.0 - 6.17.6linux
Linux/Linux < 6.15
Linux/Linux 4c9ea539ad59ec60676930dacee02b7adde2e0c0 - 139e7a572af0b45f558b5e502121a768dc328ba8
Linux/Linux 4c9ea539ad59ec60676930dacee02b7adde2e0c0 - ba236520ae53418859f4b7c7de3c71478d3c0b5a
Linux/Linux 6.15
Linux/Linux 6.17.6 - 6.17.*
Linux/Linux 6.18
Published Dec 04, 2025
Tracked Since Feb 18, 2026