{"schemaVersion":3,"id":"USN-8725-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, linux-fips, linux-kvm, linux-lts-xenial 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  - NVIDIA Tegra memory controller driver;\n  - File systems infrastructure;\n  - Network file system (NFS) server daemon;\n  - OCFS2 file system;\n  - B.A.T.M.A.N. meshing protocol;\n  - Netfilter;\n  - SCTP protocol;\n(CVE-2022-50401, CVE-2026-43071, CVE-2026-52914, CVE-2026-53002,\nCVE-2026-53043, CVE-2026-53045, CVE-2026-53224, CVE-2026-53309)","dates":{"published":"2026-09-04T17:51:55.000Z","modified":"2026-10-05T19:17:19.367Z","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","name":"linux","label":"linux","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux","purlType":"deb","versions":[{"text":"< 4.4.0-287.321","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-287.321","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws","name":"linux-aws","label":"linux-aws","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws","purlType":"deb","versions":[{"text":"< 4.4.0-1158.164","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1158.164","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-fips","name":"linux-fips","label":"linux-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-fips","purlType":"deb","versions":[{"text":"< 4.4.0-1128.135","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1128.135","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-kvm","name":"linux-kvm","label":"linux-kvm","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-kvm","purlType":"deb","versions":[{"text":"< 4.4.0-1159.170","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1159.170","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-lts-xenial","name":"linux-lts-xenial","label":"linux-lts-xenial","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-lts-xenial","purlType":"deb","versions":[{"text":"< 4.4.0-287.321~14.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-287.321~14.04.1","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8725-1","label":"ubuntu.com/security/notices/USN-8725-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-50401","label":"ubuntu.com/security/CVE-2022-50401","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43071","label":"ubuntu.com/security/CVE-2026-43071","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-52914","label":"ubuntu.com/security/CVE-2026-52914","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-53002","label":"ubuntu.com/security/CVE-2026-53002","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-2026-53045","label":"ubuntu.com/security/CVE-2026-53045","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-2026-53309","label":"ubuntu.com/security/CVE-2026-53309","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-50401","CVE-2026-43071","CVE-2026-52914","CVE-2026-53002","CVE-2026-53043","CVE-2026-53045","CVE-2026-53224","CVE-2026-53309"],"downstream":[],"duplicates":[],"related":["CVE-2022-50401","CVE-2026-43071","CVE-2026-52914","CVE-2026-53002","CVE-2026-53043","CVE-2026-53045","CVE-2026-53224","CVE-2026-53309"]},"timeline":[{"kind":"published","date":"2026-09-04T17:51:55.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-05T19:17:19.367Z","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":"2026-10-19T19:31:25.048Z","stale":false,"partial":false}}