{"schemaVersion":3,"id":"USN-7234-3","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-azure, linux-azure-5.4 vulnerabilities\n\nYe Zhang and Nicolas Wu discovered that the io_uring subsystem in the Linux\nkernel did not properly handle locking for rings with IOPOLL, leading to a\ndouble-free vulnerability. A local attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2023-21400)\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  - TTY drivers;\n  - Netfilter;\n  - Network traffic control;\n  - VMware vSockets driver;\n(CVE-2024-53141, CVE-2024-53103, CVE-2024-40967, CVE-2024-53164)","dates":{"published":"2025-02-04T15:31:03.000Z","modified":"2026-08-06T03:07:32.026Z","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-azure","name":"linux-azure","label":"linux-azure","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure","purlType":"deb","versions":[{"text":"< 5.4.0-1143.150","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1143.150","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-5.4","name":"linux-azure-5.4","label":"linux-azure-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1143.150~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1143.150~18.04.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7234-3","label":"ubuntu.com/security/notices/USN-7234-3","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-21400","label":"ubuntu.com/security/CVE-2023-21400","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-40967","label":"ubuntu.com/security/CVE-2024-40967","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53103","label":"ubuntu.com/security/CVE-2024-53103","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53141","label":"ubuntu.com/security/CVE-2024-53141","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-53164","label":"ubuntu.com/security/CVE-2024-53164","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-21400","CVE-2024-40967","CVE-2024-53103","CVE-2024-53141","CVE-2024-53164"],"downstream":[],"duplicates":[],"related":["CVE-2023-21400","CVE-2024-40967","CVE-2024-53103","CVE-2024-53141","CVE-2024-53164"]},"timeline":[{"kind":"published","date":"2025-02-04T15:31:03.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-06T03:07:32.026Z","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":"2026-10-19T08:21:47.018Z","stale":false,"partial":false}}