{"id":"CVE-2025-21769","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-21769","generatedAt":"2026-10-28T02:13:54.674Z","title":"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.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nptp: vmclock: Add .owner to vmclock_miscdev_fops\n\nWithout the .owner field, the module can be unloaded while /dev/vmclock0\nis open, leading to an oops.","published":"2025-02-27T03:15:18.000Z","lastModified":"2026-06-17T08:44:14.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00188,"percentile":0.08356,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/3b5709225b43ee33e1026dd1fc0949a7f19b5289","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7b07b040257c1b658ef3eca86e4b6ae02d65069c","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-21769","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}