CVE-2025-21769

kernel: ptp: vmclock: Add .owner to vmclock_miscdev_fops

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 27, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ptp: vmclock: Add .owner to vmclock_miscdev_fops

Without the .owner field, the module can be unloaded while /dev/vmclock0 is open, leading to an oops.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')