{"schemaVersion":3,"id":"USN-8281-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, linux-aws-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm, linux-oracle vulnerabilities\n\n\nIt was discovered that the Linux kernel algif_aead module did not properly\nhandle in-place cryptographic operations. This flaw is known as Copy Fail.\nA local attacker could use this to escalate privileges, or possibly escape\na container. (CVE-2026-31431)\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  - Cryptographic API;\n  - Packet sockets;\n(CVE-2026-31504, CVE-2026-43033, CVE-2026-43077, CVE-2026-43078)","dates":{"published":"2026-05-19T22:56:00.000Z","modified":"2026-07-04T19:19:06.837Z","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":"< 4.15.0-250.262","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-250.262","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":"< 4.15.0-1192.205","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1192.205","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":"< 4.15.0-2130.136","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2130.136","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":"< 4.15.0-1147.159","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1147.159","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":"< 4.15.0-1185.202","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1185.202","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":"< 4.15.0-2093.99","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2093.99","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":"< 4.15.0-1174.179","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1174.179","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":"< 4.15.0-1154.165","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1154.165","eol":null,"hubHref":null}],"affectedCount":8,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8281-1","label":"ubuntu.com/security/notices/USN-8281-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-31431","label":"ubuntu.com/security/CVE-2026-31431","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-31504","label":"ubuntu.com/security/CVE-2026-31504","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43033","label":"ubuntu.com/security/CVE-2026-43033","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43077","label":"ubuntu.com/security/CVE-2026-43077","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43078","label":"ubuntu.com/security/CVE-2026-43078","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-31431","CVE-2026-31504","CVE-2026-43033","CVE-2026-43077","CVE-2026-43078"]},"timeline":[{"kind":"published","date":"2026-05-19T22:56:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-04T19:19:06.837Z","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":"2026-10-20T16:59:22.111Z","stale":false,"partial":false}}