CVE-2025-68245

kernel: Linux kernel: Denial of Service due to memory leak in netpoll during cleanup

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's netpoll module. Incorrect reference count handling during netpoll cleanup can lead to memory leaks. A local attacker with low privileges could exploit this vulnerability by triggering specific netpoll cleanup scenarios, resulting in improper system behavior and a Denial of Service (DoS).

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 · 6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE-911 · Improper Update of Reference Count