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CVE-2023-53518

kernel: Linux kernel: Memory leak in PM / devfreq can lead to denial of service

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 1, 2025

Updated · August 5, 2026

Description

A flaw was found in the Linux kernel's Power Management (PM) / devfreq subsystem. This vulnerability is a memory leak, where resources allocated by srcu_init_notifier_head() are not properly released. A local attacker could exploit this by repeatedly triggering the affected code, leading to resource exhaustion and a denial of service (DoS) on the system.

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