{"schemaVersion":3,"id":"USN-4411-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities\n\nIt was discovered that the elf handling code in the Linux kernel did not\ninitialize memory before using it in certain situations. A local attacker\ncould use this to possibly expose sensitive information (kernel memory).\n(CVE-2020-10732)\n\nMatthew Sheets discovered that the SELinux network label handling\nimplementation in the Linux kernel could be coerced into de-referencing a\nNULL pointer. A remote attacker could use this to cause a denial of service\n(system crash). (CVE-2020-10711)\n\nIt was discovered that the SCSI generic (sg) driver in the Linux kernel did\nnot properly handle certain error conditions correctly. A local privileged\nattacker could use this to cause a denial of service (system crash).\n(CVE-2020-12770)\n\nIt was discovered that the USB Gadget device driver in the Linux kernel did\nnot validate arguments passed from configfs in some situations. A local\nattacker could possibly use this to cause a denial of service (system\ncrash) or possibly expose sensitive information. (CVE-2020-13143)\n\nIt was discovered that the KVM implementation in the Linux kernel did not\nproperly deallocate memory on initialization for some processors. A local\nattacker could possibly use this to cause a denial of service.\n(CVE-2020-12768)","dates":{"published":"2020-07-06T19:29:23.000Z","modified":"2026-06-03T14:04:00.542Z","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":"< 5.4.0-40.44","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-40.44","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":"< 5.4.0-1018.18","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1018.18","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":"< 5.4.0-1020.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1020.20","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":"< 5.4.0-1019.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1019.19","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":"< 5.4.0-1018.18","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1018.18","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":"< 5.4.0-1019.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1019.19","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi","name":"linux-raspi","label":"linux-raspi","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi","purlType":"deb","versions":[{"text":"< 5.4.0-1013.13","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1013.13","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-riscv","name":"linux-riscv","label":"linux-riscv","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-riscv","purlType":"deb","versions":[{"text":"< 5.4.0-28.32","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-28.32","eol":null,"hubHref":null}],"affectedCount":8,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4411-1","label":"ubuntu.com/security/notices/USN-4411-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-10711","label":"ubuntu.com/security/CVE-2020-10711","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-10732","label":"ubuntu.com/security/CVE-2020-10732","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-12768","label":"ubuntu.com/security/CVE-2020-12768","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-12770","label":"ubuntu.com/security/CVE-2020-12770","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-13143","label":"ubuntu.com/security/CVE-2020-13143","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-10711","CVE-2020-10732","CVE-2020-12768","CVE-2020-12770","CVE-2020-13143"],"downstream":[],"duplicates":[],"related":["CVE-2020-10711","CVE-2020-10732","CVE-2020-12768","CVE-2020-12770","CVE-2020-13143"]},"timeline":[{"kind":"published","date":"2020-07-06T19:29:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-03T14:04:00.542Z","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":"2026-10-20T03:40:41.819Z","stale":false,"partial":false}}