What is CVE-2025-21769?

CVE-2025-21769 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-02-27.

How severe is CVE-2025-21769?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2025-21769

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.

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 20503272422693d793b84f88bf23fe4e955d3a33, 6.13, 0
Linux Linux_kernel — versions 6.14

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-21769?: CVE-2025-21769 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-02-27.
How severe is CVE-2025-21769?: Medium severity. CVSS v3 base score is 5.5 out of 10.