{"schemaVersion":3,"id":"USN-8112-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle 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  - x86 architecture;\n  - MMC subsystem;\n  - Network drivers;\n  - USB Device Class drivers;\n  - BTRFS file system;\n  - HFS+ file system;\n  - XFRM subsystem;\n  - IPv4 networking;\n  - IPv6 networking;\n  - MAC80211 subsystem;\n  - Simplified Mandatory Access Control Kernel framework;\n(CVE-2021-47599, CVE-2022-48875, CVE-2022-49267, CVE-2024-47659,\nCVE-2024-49927, CVE-2024-56548, CVE-2024-56581, CVE-2024-56593,\nCVE-2025-21704, CVE-2025-40215)","dates":{"published":"2026-03-20T10:11:58.000Z","modified":"2026-08-06T03:07:29.494Z","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":"< 4.15.0-247.259","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-247.259","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":"< 4.15.0-1189.202","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1189.202","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":"< 4.15.0-1189.202~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1189.202~16.04.1","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":"< 4.15.0-1182.199~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1182.199~16.04.1","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":"< 4.15.0-1182.199","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1182.199","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":"< 4.15.0-247.259~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-247.259~16.04.1","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":"< 4.15.0-1171.176","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1171.176","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle","name":"linux-oracle","label":"linux-oracle","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle","purlType":"deb","versions":[{"text":"< 4.15.0-1151.162~16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-1151.162","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1151.162~16.04.1 | < 4.15.0-1151.162","eol":null,"hubHref":null}],"affectedCount":8,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8112-1","label":"ubuntu.com/security/notices/USN-8112-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-47599","label":"ubuntu.com/security/CVE-2021-47599","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-48875","label":"ubuntu.com/security/CVE-2022-48875","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-49267","label":"ubuntu.com/security/CVE-2022-49267","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-47659","label":"ubuntu.com/security/CVE-2024-47659","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-49927","label":"ubuntu.com/security/CVE-2024-49927","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56548","label":"ubuntu.com/security/CVE-2024-56548","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56581","label":"ubuntu.com/security/CVE-2024-56581","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-56593","label":"ubuntu.com/security/CVE-2024-56593","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-21704","label":"ubuntu.com/security/CVE-2025-21704","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-40215","label":"ubuntu.com/security/CVE-2025-40215","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2021-47599","CVE-2022-48875","CVE-2022-49267","CVE-2024-47659","CVE-2024-49927","CVE-2024-56548","CVE-2024-56581","CVE-2024-56593","CVE-2025-21704","CVE-2025-40215"]},"timeline":[{"kind":"published","date":"2026-03-20T10:11:58.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-06T03:07:29.494Z","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":"2026-10-20T17:46:46.259Z","stale":false,"partial":false}}