{"schemaVersion":3,"id":"USN-8015-4","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency-hwe-6.8 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  - Cryptographic API;\n  - SMB network file system;\n  - io_uring subsystem;\n(CVE-2025-38561, CVE-2025-39698, CVE-2025-40019)","dates":{"published":"2026-02-11T18:23:19.000Z","modified":"2026-07-31T14:35:26.904Z","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","name":"linux-aws","label":"linux-aws","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws","purlType":"deb","versions":[{"text":"< 6.8.0-1045.47","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1045.47","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-6.8","name":"linux-aws-6.8","label":"linux-aws-6.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-6.8","purlType":"deb","versions":[{"text":"< 6.8.0-1045.47~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1045.47~22.04.1","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":"< 6.8.0-1046.49","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1046.49","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-6.8","name":"linux-gcp-6.8","label":"linux-gcp-6.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-6.8","purlType":"deb","versions":[{"text":"< 6.8.0-1046.49~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1046.49~22.04.1","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":"< 6.8.0-1043.43","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1043.43","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-ibm-6.8","name":"linux-ibm-6.8","label":"linux-ibm-6.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-ibm-6.8","purlType":"deb","versions":[{"text":"< 6.8.0-1043.43~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-1043.43~22.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-lowlatency-hwe-6.8","name":"linux-lowlatency-hwe-6.8","label":"linux-lowlatency-hwe-6.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-lowlatency-hwe-6.8","purlType":"deb","versions":[{"text":"< 6.8.0-94.96.1~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.8.0-94.96.1~22.04.1","eol":null,"hubHref":null}],"affectedCount":7,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8015-4","label":"ubuntu.com/security/notices/USN-8015-4","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-38561","label":"ubuntu.com/security/CVE-2025-38561","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-39698","label":"ubuntu.com/security/CVE-2025-39698","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-40019","label":"ubuntu.com/security/CVE-2025-40019","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2025-38561","CVE-2025-39698","CVE-2025-40019"]},"timeline":[{"kind":"published","date":"2026-02-11T18:23:19.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-31T14:35:26.904Z","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":"2026-10-20T01:04:14.810Z","stale":false,"partial":false}}