{"schemaVersion":3,"id":"USN-8850-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-bluefield 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  - Network file system (NFS) server daemon;\n  - OCFS2 file system;\n  - IPv6 networking;\n  - Netfilter;\n  - SCTP protocol;\n(CVE-2025-38724, CVE-2026-53043, CVE-2026-53131, CVE-2026-53221,\nCVE-2026-53224, CVE-2026-53225, CVE-2026-53246, CVE-2026-53309)","dates":{"published":"2026-09-30T08:10:36.000Z","modified":"2026-09-30T18:27:46.962Z","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-bluefield","name":"linux-bluefield","label":"linux-bluefield","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-bluefield","purlType":"deb","versions":[{"text":"< 5.4.0-1123.130","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1123.130","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8850-1","label":"ubuntu.com/security/notices/USN-8850-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-38724","label":"ubuntu.com/security/CVE-2025-38724","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53043","label":"ubuntu.com/security/CVE-2026-53043","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53131","label":"ubuntu.com/security/CVE-2026-53131","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53221","label":"ubuntu.com/security/CVE-2026-53221","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53224","label":"ubuntu.com/security/CVE-2026-53224","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53225","label":"ubuntu.com/security/CVE-2026-53225","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53246","label":"ubuntu.com/security/CVE-2026-53246","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53309","label":"ubuntu.com/security/CVE-2026-53309","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2025-38724","CVE-2026-53043","CVE-2026-53131","CVE-2026-53221","CVE-2026-53224","CVE-2026-53225","CVE-2026-53246","CVE-2026-53309"],"downstream":[],"duplicates":[],"related":["CVE-2025-38724","CVE-2026-53043","CVE-2026-53131","CVE-2026-53221","CVE-2026-53224","CVE-2026-53225","CVE-2026-53246","CVE-2026-53309"]},"timeline":[{"kind":"published","date":"2026-09-30T08:10:36.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-30T18:27:46.962Z","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":"2026-10-20T03:37:54.938Z","stale":false,"partial":false}}