{"id":"CVE-2025-21769","state":"PUBLISHED","title":"ptp: vmclock: Add .owner to vmclock_miscdev_fops","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.","publishedAt":"2025-02-27T02:18:18.059Z","updatedAt":"2026-05-11T21:06:04.369Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"20503272422693d793b84f88bf23fe4e955d3a33","status":"affected","lessThan":"3b5709225b43ee33e1026dd1fc0949a7f19b5289","versionType":"git"},{"version":"20503272422693d793b84f88bf23fe4e955d3a33","status":"affected","lessThan":"7b07b040257c1b658ef3eca86e4b6ae02d65069c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_vmclock.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.13.4","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_vmclock.c"]}],"references":["https://git.kernel.org/stable/c/3b5709225b43ee33e1026dd1fc0949a7f19b5289","https://git.kernel.org/stable/c/7b07b040257c1b658ef3eca86e4b6ae02d65069c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21769.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21769","state":"PUBLISHED","datePublished":"2025-02-27T02:18:18.059Z","dateUpdated":"2026-05-11T21:06:04.369Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T08:45:45.762Z"},"containers":{"cna":{"title":"ptp: vmclock: Add .owner to vmclock_miscdev_fops","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"20503272422693d793b84f88bf23fe4e955d3a33","status":"affected","lessThan":"3b5709225b43ee33e1026dd1fc0949a7f19b5289","versionType":"git"},{"version":"20503272422693d793b84f88bf23fe4e955d3a33","status":"affected","lessThan":"7b07b040257c1b658ef3eca86e4b6ae02d65069c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_vmclock.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.13.4","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_vmclock.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3b5709225b43ee33e1026dd1fc0949a7f19b5289"},{"url":"https://git.kernel.org/stable/c/7b07b040257c1b658ef3eca86e4b6ae02d65069c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:06:04.369Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.14"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-21769","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:30:47.144293Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:40.856Z"}}]}}}