{"id":"USN-7921-2","summary":"linux-realtime-6.14 vulnerabilities","details":"Several security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - Cryptographic API;\n  - Media drivers;\n  - Netfilter;\n  - TLS protocol;\n(CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)\n","modified":"2026-04-07T10:44:46.431491Z","published":"2025-12-19T14:31:20Z","related":["UBUNTU-CVE-2025-39946","UBUNTU-CVE-2025-39964","UBUNTU-CVE-2025-39993","UBUNTU-CVE-2025-40018"],"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":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7921-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-39946"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-39964"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-39993"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40018"}],"affected":[{"package":{"name":"linux-realtime-6.14","ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","purl":"pkg:deb/ubuntu/linux-realtime-6.14@6.14.0-1017.17~24.04.1?arch=source&distro=realtime/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.14.0-1017.17~24.04.1"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"6.14.0-1017.17~24.04.1","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"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","cves":[{"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-2025-39946"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-39964"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-39993"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-40018"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7921-2.json"}}],"schema_version":"1.7.5"}