MediumFix available
ptp: vmclock: Add .owner to vmclock_miscdev_fops
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.13.4
- CVEs
- CVE-2025-21769
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 00:37 UTC · Revision 1
Source evidence
ptp: vmclock: Add .owner to vmclock_miscdev_fops
core-osv · Original sourcePublished 27 Feb 2025, 02:18 UTC
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.
osv:CVE-2025-21769
Kernel
Fixed versions: 6.13.4
Complete source record
{
"id": "28031383e67e4ebfdb28c7c1fff7b00a7f8d537d192e8677d0227a77b0e62f8f",
"url": "https://osv.dev/vulnerability/CVE-2025-21769",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ptp: vmclock: Add .owner to vmclock_miscdev_fops",
"summary": "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.",
"evidence": "osv:CVE-2025-21769",
"products": [
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
}
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"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CVE-2025-21769",
"aliases": [
"CVE-2025-21769"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
"fixed": "3b5709225b43ee33e1026dd1fc0949a7f19b5289"
},
{
"fixed": "7b07b040257c1b658ef3eca86e4b6ae02d65069c"
}
]
}
],
"database_specific": {
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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"introduced": "6.13.0"
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{
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}
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],
"package": {
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"ecosystem": "Linux"
},
"database_specific": {
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],
"modified": "2026-10-28T02:30:32.329068377Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/7b07b040257c1b658ef3eca86e4b6ae02d65069c",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21769.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21769",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21769.json"
}
},
"related_cves": [
{
"value": "CVE-2025-21769",
"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 499355,
"published_at": "2025-02-27T02:18:18.059+00:00"
}