{"schemaVersion":3,"id":"USN-8920-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-aws-5.4, linux-aws-fips, linux-azure-fips, linux-ibm, linux-ibm-5.4 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  - Ethernet bonding driver;\n  - Network drivers;\n  - F2FS file system;\n  - Network file system (NFS) server daemon;\n  - Tracing infrastructure;\n  - io_uring subsystem;\n  - Networking core;\n  - IPv6 networking;\n  - IUCV driver;\n  - Netfilter;\n  - RxRPC session sockets;\n(CVE-2022-49149, CVE-2022-49170, CVE-2022-49182, CVE-2022-49201,\nCVE-2024-53187, CVE-2024-53210, CVE-2024-56763, CVE-2025-38724,\nCVE-2026-43456, CVE-2026-52910, CVE-2026-53131, CVE-2026-53221)","dates":{"published":"2026-10-13T15:09:07.000Z","modified":"2026-10-13T21:13:07.542Z","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-aws-5.4","name":"linux-aws-5.4","label":"linux-aws-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1165.176~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1165.176~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-fips","name":"linux-aws-fips","label":"linux-aws-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-fips","purlType":"deb","versions":[{"text":"< 5.4.0-1165.176+fips1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1165.176+fips1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-fips","name":"linux-azure-fips","label":"linux-azure-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-fips","purlType":"deb","versions":[{"text":"< 5.4.0-1170.176+fips1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1170.176+fips1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-ibm","name":"linux-ibm","label":"linux-ibm","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-ibm","purlType":"deb","versions":[{"text":"< 5.4.0-1111.116","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1111.116","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-ibm-5.4","name":"linux-ibm-5.4","label":"linux-ibm-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-ibm-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1111.116~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1111.116~18.04.1","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8920-1","label":"ubuntu.com/security/notices/USN-8920-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-49149","label":"ubuntu.com/security/CVE-2022-49149","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-49170","label":"ubuntu.com/security/CVE-2022-49170","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-49182","label":"ubuntu.com/security/CVE-2022-49182","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-49201","label":"ubuntu.com/security/CVE-2022-49201","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53187","label":"ubuntu.com/security/CVE-2024-53187","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53210","label":"ubuntu.com/security/CVE-2024-53210","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56763","label":"ubuntu.com/security/CVE-2024-56763","hostname":"ubuntu.com","tags":["REPORT"]},{"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-2026-43456","label":"ubuntu.com/security/CVE-2026-43456","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-52910","label":"ubuntu.com/security/CVE-2026-52910","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"]}],"lineage":{"upstream":["CVE-2022-49149","CVE-2022-49170","CVE-2022-49182","CVE-2022-49201","CVE-2024-53187","CVE-2024-53210","CVE-2024-56763","CVE-2025-38724","CVE-2026-43456","CVE-2026-52910","CVE-2026-53131","CVE-2026-53221"],"downstream":[],"duplicates":[],"related":["CVE-2022-49149","CVE-2022-49170","CVE-2022-49182","CVE-2022-49201","CVE-2024-53187","CVE-2024-53210","CVE-2024-56763","CVE-2025-38724","CVE-2026-43456","CVE-2026-52910","CVE-2026-53131","CVE-2026-53221"]},"timeline":[{"kind":"published","date":"2026-10-13T15:09:07.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-13T21:13:07.542Z","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":"2026-10-20T04:59:54.572Z","stale":false,"partial":false}}