UnratedFix available
linux-realtime-6.14 vulnerabilities
Type: advisorySources: OSV
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Netfilter; - TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)
- Products
- linux-realtime-6.14
- Affected versions
- 6.14.0-1003.3~24.04.3, 6.14.0-1010.10~24.04.1, 6.14.0-1011.11~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1013.13~24.04.1, 6.14.0-1014.14~24.04.1, 6.14.0-1015.15~24.04.1, 6.14.0-1016.16~24.04.1
- Fixed versions
- 6.14.0-1017.17~24.04.1
- CVEs
- CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:15 UTC · Revision 1
Source evidence
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Netfilter; - TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)
osv:USN-7921-2
linux-realtime-6.14
Fixed versions: 6.14.0-1017.17~24.04.1
Complete source record
{
"id": "98ad05e1659421416666e648652b52cf668bc054c7cfa268a6ce82924e759e1c",
"url": "https://osv.dev/vulnerability/USN-7921-2",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "linux-realtime-6.14 vulnerabilities",
"summary": "Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Netfilter; - TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)",
"evidence": "osv:USN-7921-2",
"products": [
{
"name": {
"value": "linux-realtime-6.14",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.14.0-1017.17~24.04.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "6.14.0-1003.3~24.04.3",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1010.10~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1011.11~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1012.12~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1013.13~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1014.14~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1015.15~24.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "6.14.0-1016.16~24.04.1",
"evidence": "/affected/0/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "USN-7921-2",
"aliases": [
"USN-7921-2"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.14.0-1017.17~24.04.1"
}
]
}
],
"package": {
"name": "linux-realtime-6.14",
"purl": "pkg:deb/ubuntu/linux-realtime-6.14?arch=source&distro=realtime%2Fnoble",
"ecosystem": "Ubuntu:Pro:Realtime:24.04:LTS"
},
"versions": [
"6.14.0-1003.3~24.04.3",
"6.14.0-1010.10~24.04.1",
"6.14.0-1011.11~24.04.1",
"6.14.0-1012.12~24.04.1",
"6.14.0-1013.13~24.04.1",
"6.14.0-1014.14~24.04.1",
"6.14.0-1015.15~24.04.1",
"6.14.0-1016.16~24.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7921-2.json",
"cves_map": {
"cves": [
{
"id": "CVE-2025-39946",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-39964",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2025-39993",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-40018",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:Pro:Realtime:24.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-buildinfo-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-cloud-tools-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-headers-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-image-unsigned-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-modules-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-modules-extra-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-modules-iwlwifi-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-realtime-6.14-cloud-tools-6.14.0-1017",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-realtime-6.14-headers-6.14.0-1017",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-realtime-6.14-tools-6.14.0-1017",
"binary_version": "6.14.0-1017.17~24.04.1"
},
{
"binary_name": "linux-tools-6.14.0-1017-realtime",
"binary_version": "6.14.0-1017.17~24.04.1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
}
],
"modified": "2026-10-27T04:16:31.959121312Z",
"provider": "osv",
"upstream": [
"CVE-2025-39946",
"CVE-2025-39964",
"CVE-2025-39993",
"CVE-2025-40018",
"UBUNTU-CVE-2025-39946",
"UBUNTU-CVE-2025-39964",
"UBUNTU-CVE-2025-39993",
"UBUNTU-CVE-2025-40018"
],
"references": [
"https://ubuntu.com/security/notices/USN-7921-2",
"https://ubuntu.com/security/CVE-2025-39946",
"https://ubuntu.com/security/CVE-2025-39964",
"https://ubuntu.com/security/CVE-2025-39993",
"https://ubuntu.com/security/CVE-2025-40018"
]
},
"related_cves": [
{
"value": "CVE-2025-39946",
"evidence": "/upstream"
},
{
"value": "CVE-2025-39964",
"evidence": "/upstream"
},
{
"value": "CVE-2025-39993",
"evidence": "/upstream"
},
{
"value": "CVE-2025-40018",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 460191,
"published_at": "2025-12-19T14:31:20+00:00"
}