CVE-2026-64184

kernel: mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break()

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 19, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's Data Access MONitor (DAMON) sysfs schemes. The damon_sysfs_memcg_path_to_id() function does not correctly release a cgroup reference, leading to a resource leak. This vulnerability could allow a local attacker to exhaust system resources, potentially causing a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime