{"schemaVersion":3,"id":"USN-7889-3","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-realtime, linux-realtime-6.8 vulnerabilities\n\nSeveral 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)","dates":{"published":"2025-11-26T09:41:47.000Z","modified":"2026-07-31T14:35:55.775Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"linux-realtime","name":"linux-realtime","label":"linux-realtime","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-realtime","purlType":"deb","versions":[{"text":"< 6.8.1-1038.39","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.1-1038.39","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-realtime-6.8","name":"linux-realtime-6.8","label":"linux-realtime-6.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-realtime-6.8","purlType":"deb","versions":[{"text":"< 6.8.1-1038.39~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.1-1038.39~22.04.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7889-3","label":"ubuntu.com/security/notices/USN-7889-3","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-21729","label":"ubuntu.com/security/CVE-2025-21729","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-38227","label":"ubuntu.com/security/CVE-2025-38227","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-38616","label":"ubuntu.com/security/CVE-2025-38616","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-38678","label":"ubuntu.com/security/CVE-2025-38678","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2025-21729","CVE-2025-38227","CVE-2025-38616","CVE-2025-38678"],"downstream":[],"duplicates":[],"related":["CVE-2025-21729","CVE-2025-38227","CVE-2025-38616","CVE-2025-38678"]},"timeline":[{"kind":"published","date":"2025-11-26T09:41:47.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-31T14:35:55.775Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:44:51.991Z","stale":false,"partial":false}}