{"id":"USN-7889-3","summary":"linux-realtime, linux-realtime-6.8 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  - Media drivers;\n  - Network drivers;\n  - Netfilter;\n  - TLS protocol;\n(CVE-2025-21729, CVE-2025-38227, CVE-2025-38616, CVE-2025-38678)\n","modified":"2026-06-03T13:35:25.817118701Z","published":"2025-11-26T09:41:47Z","related":["UBUNTU-CVE-2025-21729","UBUNTU-CVE-2025-38227","UBUNTU-CVE-2025-38616","UBUNTU-CVE-2025-38678"],"upstream":["CVE-2025-21729","CVE-2025-38227","CVE-2025-38616","CVE-2025-38678","UBUNTU-CVE-2025-21729","UBUNTU-CVE-2025-38227","UBUNTU-CVE-2025-38616","UBUNTU-CVE-2025-38678"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7889-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21729"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38227"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38616"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-38678"}],"affected":[{"package":{"name":"linux-realtime-6.8","ecosystem":"Ubuntu:Pro:Realtime:22.04:LTS","purl":"pkg:deb/ubuntu/linux-realtime-6.8?arch=source&distro=realtime%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1038.39~22.04.1"}]}],"versions":["6.8.1-1004.4~22.04.1","6.8.1-1005.5~22.04.2","6.8.1-1006.6~22.04.1","6.8.1-1007.7~22.04.1","6.8.1-1008.8~22.04.1","6.8.1-1009.9~22.04.1","6.8.1-1010.10~22.04.1","6.8.1-1011.11~22.04.1","6.8.1-1012.12~22.04.1","6.8.1-1013.14~22.04.1","6.8.1-1014.15~22.04.1","6.8.1-1015.16~22.04.1","6.8.1-1016.17~22.04.1","6.8.1-1017.18~22.04.1","6.8.1-1018.19~22.04.1","6.8.1-1019.20~22.04.1","6.8.1-1020.21~22.04.1","6.8.1-1021.22~22.04.1","6.8.1-1022.23~22.04.1","6.8.1-1023.24~22.04.1","6.8.1-1024.25~22.04.1","6.8.1-1025.26~22.04.1","6.8.1-1026.27~22.04.1","6.8.1-1030.31~22.04.1","6.8.1-1031.32~22.04.1","6.8.1-1034.35~22.04.1","6.8.1-1035.36~22.04.1","6.8.1-1036.37~22.04.1","6.8.1-1037.38~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-buildinfo-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-cloud-tools-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-headers-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-image-unsigned-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-modules-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-modules-extra-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-modules-iwlwifi-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-realtime-6.8-cloud-tools-6.8.1-1038","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-realtime-6.8-headers-6.8.1-1038","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-realtime-6.8-tools-6.8.1-1038","binary_version":"6.8.1-1038.39~22.04.1"},{"binary_name":"linux-tools-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39~22.04.1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:Realtime:22.04:LTS","cves":[{"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-2025-21729"},{"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-2025-38227"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-38616"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-38678"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7889-3.json"}},{"package":{"name":"linux-realtime","ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","purl":"pkg:deb/ubuntu/linux-realtime?arch=source&distro=realtime%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1038.39"}]}],"versions":["6.8.0-1008.19","6.8.1-1001.1","6.8.1-1002.2","6.8.1-1003.3","6.8.1-1004.4","6.8.1-1005.5","6.8.1-1006.6","6.8.1-1007.7","6.8.1-1008.8","6.8.1-1009.9","6.8.1-1010.10","6.8.1-1011.11","6.8.1-1012.12","6.8.1-1013.14","6.8.1-1014.15","6.8.1-1015.16","6.8.1-1016.17","6.8.1-1017.18","6.8.1-1018.19","6.8.1-1019.20","6.8.1-1020.21","6.8.1-1021.22","6.8.1-1022.23","6.8.1-1023.24","6.8.1-1024.25","6.8.1-1025.26","6.8.1-1026.27","6.8.1-1030.31","6.8.1-1031.32","6.8.1-1033.34","6.8.1-1034.35","6.8.1-1035.36","6.8.1-1036.37","6.8.1-1037.38"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-buildinfo-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-cloud-tools-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-headers-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-image-unsigned-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-modules-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-modules-extra-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-modules-iwlwifi-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-realtime-cloud-tools-6.8.1-1038","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-realtime-headers-6.8.1-1038","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-realtime-tools-6.8.1-1038","binary_version":"6.8.1-1038.39"},{"binary_name":"linux-tools-6.8.1-1038-realtime","binary_version":"6.8.1-1038.39"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-21729"},{"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-2025-38227"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-38616"},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2025-38678"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7889-3.json"}}],"schema_version":"1.7.5"}