Home

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.

PUBLISHED Reserved 2025-04-16 | Published 2025-12-04 | Updated 2025-12-04 | Assigner Linux

Product status

Default status
unaffected

4c9ea539ad59ec60676930dacee02b7adde2e0c0 (git) before ba236520ae53418859f4b7c7de3c71478d3c0b5a
affected

4c9ea539ad59ec60676930dacee02b7adde2e0c0 (git) before 139e7a572af0b45f558b5e502121a768dc328ba8
affected

Default status
affected

6.15
affected

Any version before 6.15
unaffected

6.17.6 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/ba236520ae53418859f4b7c7de3c71478d3c0b5a

git.kernel.org/...c/139e7a572af0b45f558b5e502121a768dc328ba8

cve.org (CVE-2025-40227)

nvd.nist.gov (CVE-2025-40227)