{"schemaVersion":3,"id":"USN-8921-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, linux-aws-fips, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-4.15, linux-gcp-fips, linux-hwe, linux-kvm 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  - S390 architecture;\n  - IIO ADC drivers;\n  - Multiple devices driver;\n  - PCI subsystem;\n  - VFIO drivers;\n  - Network file system (NFS) server daemon;\n  - Overlay file system;\n(CVE-2024-53194, CVE-2024-53214, CVE-2024-56570, CVE-2024-56779,\nCVE-2024-57849, CVE-2024-57904, CVE-2024-57929, CVE-2025-21664)","dates":{"published":"2026-10-13T15:09:08.000Z","modified":"2026-10-13T21:13:06.008Z","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":"< 4.15.0-261.273","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-261.273","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":"< 4.15.0-1198.211","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1198.211","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":"< 4.15.0-2136.142","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2136.142","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-hwe","name":"linux-aws-hwe","label":"linux-aws-hwe","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-hwe","purlType":"deb","versions":[{"text":"< 4.15.0-1198.211~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1198.211~16.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure","name":"linux-azure","label":"linux-azure","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure","purlType":"deb","versions":[{"text":"< 4.15.0-1208.223~14.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1208.223~14.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-4.15","name":"linux-azure-4.15","label":"linux-azure-4.15","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-4.15","purlType":"deb","versions":[{"text":"< 4.15.0-1208.223","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1208.223","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":"< 4.15.0-2116.122","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2116.122","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":"< 4.15.0-1153.165","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1153.165","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp","name":"linux-gcp","label":"linux-gcp","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp","purlType":"deb","versions":[{"text":"< 4.15.0-1191.208~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1191.208~16.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-4.15","name":"linux-gcp-4.15","label":"linux-gcp-4.15","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-4.15","purlType":"deb","versions":[{"text":"< 4.15.0-1191.208","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1191.208","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-fips","name":"linux-gcp-fips","label":"linux-gcp-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-fips","purlType":"deb","versions":[{"text":"< 4.15.0-2099.105","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2099.105","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe","name":"linux-hwe","label":"linux-hwe","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe","purlType":"deb","versions":[{"text":"< 4.15.0-261.273~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-261.273~16.04.1","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":"< 4.15.0-1180.185","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1180.185","eol":null,"hubHref":null}],"affectedCount":13,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8921-1","label":"ubuntu.com/security/notices/USN-8921-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-53194","label":"ubuntu.com/security/CVE-2024-53194","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53214","label":"ubuntu.com/security/CVE-2024-53214","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56570","label":"ubuntu.com/security/CVE-2024-56570","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56779","label":"ubuntu.com/security/CVE-2024-56779","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-57849","label":"ubuntu.com/security/CVE-2024-57849","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-57904","label":"ubuntu.com/security/CVE-2024-57904","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-57929","label":"ubuntu.com/security/CVE-2024-57929","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-21664","label":"ubuntu.com/security/CVE-2025-21664","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2024-53194","CVE-2024-53214","CVE-2024-56570","CVE-2024-56779","CVE-2024-57849","CVE-2024-57904","CVE-2024-57929","CVE-2025-21664"],"downstream":[],"duplicates":[],"related":["CVE-2024-53194","CVE-2024-53214","CVE-2024-56570","CVE-2024-56779","CVE-2024-57849","CVE-2024-57904","CVE-2024-57929","CVE-2025-21664"]},"timeline":[{"kind":"published","date":"2026-10-13T15:09:08.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-13T21:13:06.008Z","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":"2026-10-20T14:30:00.085Z","stale":false,"partial":false}}